| {"query_id": 111236, "query": "About Hilbert and Physics"} | |
| {"query_id": 21301, "query": "What longest time ever was achieved at holding light in a closed volume?"} | |
| {"query_id": 62099, "query": "Functions of Time"} | |
| {"query_id": 134356, "query": "Special Relativity, 2nd Postulate -- Why?"} | |
| {"query_id": 102760, "query": "Man on a rope task"} | |
| {"query_id": 68639, "query": "Why are eigenfunctions which correspond to discrete/continuous eigenvalue spectra guaranteed to be normalizable/non-normalizable?"} | |
| {"query_id": 116921, "query": "Can there be Electron and/or Proton Stars?"} | |
| {"query_id": 69726, "query": "Does trade affect Earth's rotation?"} | |
| {"query_id": 120191, "query": "How much wind does it take to tip a sign over?"} | |
| {"query_id": 1217, "query": "What's the difference between inclusive and exclusive decays?"} | |
| {"query_id": 102517, "query": "Are continuous mathematical models of discrete physical phenomena messy because of a disconnect between \u201ccontinuous\u201d and \u201cdiscontinuous\u201d?"} | |
| {"query_id": 28174, "query": "Are gravitomagnetic monopoles hypothesized?"} | |
| {"query_id": 56657, "query": "How is the equation of motion on an ellipse derived?"} | |
| {"query_id": 110395, "query": "upwind vehicle exceeding the wind speed"} | |
| {"query_id": 113660, "query": "Infinities in Newtons law of gravity (for point particles)"} | |
| {"query_id": 89335, "query": "Self-contained book about complex systems and nonlinear dynamics"} | |
| {"query_id": 10895, "query": "What is the energy conversion efficiency of a computation device like a modern CPU?"} | |
| {"query_id": 92739, "query": "How does the sum of the series \u201c1 + 2 + 3 + 4 + 5 + 6\u2026\u201d to infinity = \u201c-1/12\u201d?"} | |
| {"query_id": 134127, "query": "The Equivalence Principle approaching the speed of light"} | |
| {"query_id": 22404, "query": "Will the hole on a metal disc expand or contract upon heating?"} | |
| {"query_id": 43322, "query": "Intuition for multiple temporal dimensions"} | |
| {"query_id": 45743, "query": "Ice skater increase of energy"} | |
| {"query_id": 87140, "query": "In an absence of gravity, does time flow faster or slower than on Earth?"} | |
| {"query_id": 113647, "query": "The relationship between the Hubble Constant and cosmological time"} | |
| {"query_id": 112799, "query": "Why can't light waves bend?"} | |
| {"query_id": 18148, "query": "Current against the inverse of resistance graph, $I = V/R +c$"} | |
| {"query_id": 24827, "query": "If space is being doubled, how fast is it doubling?"} | |
| {"query_id": 66220, "query": "Proof of Spin-statistics theorem"} | |
| {"query_id": 20460, "query": "Gauge pressure vs. absolute pressure?"} | |
| {"query_id": 41386, "query": "Energy can't be created or destoryed?"} | |
| {"query_id": 9194, "query": "What is the Physical Meaning of Commutation of Two Operators?"} | |
| {"query_id": 123210, "query": "Renormalization of diagrams in QFT"} | |
| {"query_id": 21319, "query": "How can anything ever fall into a black hole as seen from an outside observer?"} | |
| {"query_id": 52062, "query": "Is it possible to speed up radioactive decay rates?"} | |
| {"query_id": 74087, "query": "Resource for nonphysicists about QM/GR incompatibility"} | |
| {"query_id": 54480, "query": "Suggestions for a physics oriented book on Variational Calculus"} | |
| {"query_id": 2554, "query": "How is the classical twin paradox resolved?"} | |
| {"query_id": 101674, "query": "Gaussian Integral by Substitution"} | |
| {"query_id": 4731, "query": "Significance of the second focus in elliptical orbits"} | |
| {"query_id": 9, "query": "Hamilton's Principle"} | |
| {"query_id": 134370, "query": "Expanding universe space through matter or matter through space?"} | |
| {"query_id": 20675, "query": "What does Peter Parkers formula represent?"} | |
| {"query_id": 66476, "query": "What is the Earth truly rotating about/revolving around?"} | |
| {"query_id": 71823, "query": "Is there a proof of existence of time?"} | |
| {"query_id": 111213, "query": "How did WMAP measure the flatness of space?"} | |
| {"query_id": 111696, "query": "Hydrostatic pressure at the center of a water planet"} | |
| {"query_id": 134378, "query": "Do we weigh less in the morning?"} | |
| {"query_id": 68898, "query": "Is it possible to generate usable electricity from the motion or magnetic field of the Earth?"} | |
| {"query_id": 44882, "query": "What are good books for graduates/undergraduates in Astrophysics?"} | |
| {"query_id": 55340, "query": "How does lightning \"know\" where to go?"} | |
| {"query_id": 46824, "query": "A thought experiment with Heisenberg's Uncertainty Principle"} | |
| {"query_id": 77373, "query": "Proof of conservation of energy?"} | |
| {"query_id": 78222, "query": "Prove $[A,B^n] = nB^{n-1}[A,B]$"} | |
| {"query_id": 101649, "query": "What is the physical significane of Complex Time Evolution in EM Waves?"} | |
| {"query_id": 5839, "query": "Does magnetic propagation follow the speed of light?"} | |
| {"query_id": 53168, "query": "Does photon have size measurement because of its particle nature"} | |
| {"query_id": 10870, "query": "Calculating position in space assuming general relativity"} | |
| {"query_id": 88026, "query": "Will an object resting on a rotating platform move in a frictionless world?"} | |
| {"query_id": 3656, "query": "Can spacetime be non-orientable?"} | |
| {"query_id": 101404, "query": "Positive Mass Theorem"} | |
| {"query_id": 33998, "query": "Why is it that protons and electrons have exactly the same but opposite charge?"} | |
| {"query_id": 4506, "query": "Homework about spinning top"} | |
| {"query_id": 21771, "query": "Explanation about black color, and hence color"} | |
| {"query_id": 100572, "query": "Different formulas for calculating power"} | |
| {"query_id": 17034, "query": "How can we be sure that nature isn't \"faking\" quantum statistics?"} | |
| {"query_id": 5851, "query": "When lasers are used to cool atoms or ions, etc where does the heat go?"} | |
| {"query_id": 92990, "query": "Finding the Schwarzchild radius of a star of solar mass 30"} | |
| {"query_id": 1008, "query": "Why isn't dark matter just matter?"} | |
| {"query_id": 80777, "query": "Shifting the energy reference level"} | |
| {"query_id": 27078, "query": "Choice and identification of vacuums in AdS/CFT"} | |
| {"query_id": 13917, "query": "Reflection At Speed of Light"} | |
| {"query_id": 33507, "query": "Quantum mechanic newbie: why complex amplitudes, why Hilbert space?"} | |
| {"query_id": 92747, "query": "How can a proton be converted to a neutron via positron emission and yet gain mass?"} | |
| {"query_id": 31326, "query": "Is a hard drive heavier when it is full?"} | |
| {"query_id": 67571, "query": "Is time slowing down and disappearing from the universe instead of the expansion of universe?"} | |
| {"query_id": 119176, "query": "How does gamma ray emission make an atom more stable?"} | |
| {"query_id": 34834, "query": "An example of non-Hamiltonian systems"} | |
| {"query_id": 93874, "query": "Is there any way to read the Feynman Lectures for free?"} | |
| {"query_id": 92301, "query": "What color would you see if you place 2 mirrors in opposit when one is a one way mirror"} | |
| {"query_id": 134559, "query": "Don't Inertial forces obey Newton's third law?"} | |
| {"query_id": 118900, "query": "Question about Hubble's Law - expansion vs receding velocity"} | |
| {"query_id": 126769, "query": "Which Optics textbooks are good?"} | |
| {"query_id": 127616, "query": "How should a math undergrad student prepare himself to study GR and QM?"} | |
| {"query_id": 27041, "query": "Linearizing Quantum Operators"} | |
| {"query_id": 81414, "query": "Why are all force particles bosons?"} | |
| {"query_id": 126766, "query": "What point of application of force ensures more acceleration in a rod?"} | |
| {"query_id": 128702, "query": "Woodwind instruments overtones"} | |
| {"query_id": 133230, "query": "Resistors in para and series circuit, finding volt"} | |
| {"query_id": 5613, "query": "Dark matter and dark energy references"} | |
| {"query_id": 70747, "query": "Can inertial mass affect gravity of the object?"} | |
| {"query_id": 89378, "query": "de Broglie relations: calculate wavelength using two different approaches"} | |
| {"query_id": 5615, "query": "What happens when a black hole and an \"anti-black-hole\" collide?"} | |
| {"query_id": 89377, "query": "What actually is meant by wave nature of electron or any other material particles?"} | |
| {"query_id": 39263, "query": "Science behind the singing wine glass"} | |
| {"query_id": 68684, "query": "does matter radiate energy?"} | |
| {"query_id": 89360, "query": "Simple pendulum and perpetual motion"} | |
| {"query_id": 69778, "query": "Accelerating electrons via microwaves"} | |
| {"query_id": 23930, "query": "What happens to the energy when waves perfectly cancel each other?"} | |
| {"query_id": 43768, "query": "After what speed air friction starts to heat up an object?"} | |
| {"query_id": 77143, "query": "What does it mean for a QFT to not be well-defined?"} | |
| {"query_id": 57317, "query": "Multiple measurements of the same quantity - combining uncertainties"} | |
| {"query_id": 79568, "query": "Angular Momentum Conservation in Gravitational Interaction"} | |
| {"query_id": 29477, "query": "Richtmyer Meshkov instability in MHD"} | |
| {"query_id": 57312, "query": "What will be the shape of liquid if there is no gravitational force"} | |
| {"query_id": 105833, "query": "Is rigorous functional analysis useful for theoretical physics?"} | |
| {"query_id": 17259, "query": "How fast does force propagate through matter?"} | |
| {"query_id": 21721, "query": "What is the proof that the universal constants ($G$, $\\hbar$, $\\ldots$) are really constant in time and space?"} | |
| {"query_id": 39253, "query": "Is it possible for one black hole to pull an object out of another black hole?"} | |
| {"query_id": 71620, "query": "On a hot day, when it's cooler outside than in; is it better to put a fan in an open window pointing inwards or outwards?"} | |
| {"query_id": 18793, "query": "Why do the planets' orbital distances fall on an exponential curve?"} | |
| {"query_id": 133488, "query": "Would days be longer as the polar ice caps melt?"} | |
| {"query_id": 41573, "query": "From how deep into space can a human \"skydive\" back to earth?"} | |
| {"query_id": 29208, "query": "When would the proposed black hole at the centre of Milky Way gulp in our solar system?"} | |
| {"query_id": 56470, "query": "What is the formula for calculating the length of any given day (sunrise to sunset)?"} | |
| {"query_id": 20637, "query": "How could this damped oscillator ever go to infinity? Or negative infinity for that matter?"} | |
| {"query_id": 29200, "query": "What experiments prove the greenhouse effect?"} | |
| {"query_id": 126504, "query": "When they say that the universe cooled after the big bang, where did the heat go?"} | |
| {"query_id": 55143, "query": "What would the effect be of a small black hole colliding with the earth?"} | |
| {"query_id": 101443, "query": "Does gravity have any effect on sound waves?"} | |
| {"query_id": 6725, "query": "If both radio waves and gamma rays can travel through walls"} | |
| {"query_id": 73813, "query": "Wave theory limit of geometric optics?"} | |
| {"query_id": 66044, "query": "Why is light produced when an underwater bubble is collapsed with a sound wave?"} | |
| {"query_id": 68223, "query": "The secret behind the spinning, asymmetrically weighted, 2D disk-shaped top?"} | |
| {"query_id": 38397, "query": "How to make something charged using electricity?"} | |
| {"query_id": 70541, "query": "Canonical everyday-life example of a technology that could not work without humans mastering QM in analogy to the application of GR in GPS?"} | |
| {"query_id": 102791, "query": "Quarks are now considered to be fundamentals, but so were atoms some time ago. So the way we see is only limited by our technological advances?"} | |
| {"query_id": 103641, "query": "Very specific type of GR paper hunt"} | |
| {"query_id": 38399, "query": "What is a good non-technical introduction to theories of everything?"} | |
| {"query_id": 92313, "query": "The definition of Lagrangian"} | |
| {"query_id": 15055, "query": "What is the cause of the normal force?"} | |
| {"query_id": 18563, "query": "What exactly is a quantum of light?"} | |
| {"query_id": 1051, "query": "conversion of information to energy"} | |
| {"query_id": 43986, "query": "Meaning of the direction of the cross product"} | |
| {"query_id": 83845, "query": "Can air bubbles sink at extreme depths?"} | |
| {"query_id": 57333, "query": "Is quantum mechanics similar newtons laws of gravity? In a way"} | |
| {"query_id": 90128, "query": "String Theory- Are strings the end? What are they made of?"} | |
| {"query_id": 48196, "query": "Good Books on Gauge Theory"} | |
| {"query_id": 19417, "query": "Path integral formulation of quantum mechanics"} | |
| {"query_id": 64670, "query": "Is it possible (theoretically) to divide Black Hole into two parts?"} | |
| {"query_id": 49956, "query": "Any new texts directly on second law of thermodynamics?"} | |
| {"query_id": 102363, "query": "General relativity, gravity and spacetime curvature"} | |
| {"query_id": 20056, "query": "Superluminal expansion of the early universe how is this possible?"} | |
| {"query_id": 99779, "query": "Can a value of \"length, in meters\" be attributed to a pair of ends which are rigid (but not at rest) to each other?"} | |
| {"query_id": 104301, "query": "Gravity propagation speed"} | |
| {"query_id": 21384, "query": "How can I figure out how many kWh's are in a battery using the mAh's and voltage."} | |
| {"query_id": 3244, "query": "Vortex in liquid collects particles in center"} | |
| {"query_id": 99535, "query": "how does the temperature of a gas increase when compressed by an external agent during sound production?"} | |
| {"query_id": 35313, "query": "How does a treadmill incline mechanism work?"} | |
| {"query_id": 37730, "query": "Conservation of Energy in a magnet"} | |
| {"query_id": 10252, "query": "Why is travelling around the speed of light a problem?"} | |
| {"query_id": 91803, "query": "Why will an accelerated electron emit a photon?"} | |
| {"query_id": 10496, "query": "What can the D-Wave quantum computer do?"} | |
| {"query_id": 55965, "query": "Understanding on quantum entanglement"} | |
| {"query_id": 11588, "query": "Work of Marie Curie?"} | |
| {"query_id": 103448, "query": "Red color has largest wavelenght and violet minimum (in the range of visible light). then why does violet light appears reddish? RED + BLUE = VIOLET"} | |
| {"query_id": 90715, "query": "How do gravitons and curved space time work together?"} | |
| {"query_id": 102370, "query": "Why do particular materials allow particular light waves to pass through them?"} | |
| {"query_id": 45105, "query": "Does Fire Conduct Electricity? Why?"} | |
| {"query_id": 98437, "query": "Why absence of electron is called hole?"} | |
| {"query_id": 67712, "query": "reflection at speed of light when both mirror and viewer is travelling at the speed of light"} | |
| {"query_id": 100197, "query": "Finding charge (electromagnetism course)"} | |
| {"query_id": 49940, "query": "What exists in the Space between atoms"} | |
| {"query_id": 35781, "query": "Why are atoms particles?"} | |
| {"query_id": 123055, "query": "Electromagnetic Field VS Photons"} | |
| {"query_id": 26845, "query": "Lorentz force in Dirac theory and its classical limit"} | |
| {"query_id": 45108, "query": "Half-Life Question"} | |
| {"query_id": 73393, "query": "A question about the higher-order Weyl variation for the geodesic distance"} | |
| {"query_id": 96010, "query": "What is difference between Inertial mass and gravitational mass"} | |
| {"query_id": 127408, "query": "Features used in quantum mechanics but not used in classical mechanics"} | |
| {"query_id": 3009, "query": "How exactly does curved space-time describe the force of gravity?"} | |
| {"query_id": 53790, "query": "What happens if an atom absorbs a photon of energy higher than first excited state but lower than second excited state?"} | |
| {"query_id": 77741, "query": "Why don't photons crash into each other occasionally? Or do they?"} | |
| {"query_id": 401, "query": "What software programs are used to draw physics diagrams, and what are their relative merits?"} | |
| {"query_id": 885, "query": "Why does calculus of variations work?"} | |
| {"query_id": 102366, "query": "gravitational lensing"} | |
| {"query_id": 104302, "query": "Size of Universe after inflation"} | |
| {"query_id": 105875, "query": "Blackbody radiation and Spectral Lines"} | |
| {"query_id": 37966, "query": "Reaching the speed of light, rockets"} | |
| {"query_id": 409, "query": "What methods can astronomers use to find a black hole?"} | |
| {"query_id": 14865, "query": "What do physicists mean when they say \"speed of light\"?"} | |
| {"query_id": 63590, "query": "Integrating radial free fall in Newtonian gravity"} | |
| {"query_id": 1080, "query": "Why isn't Higgs coupling considered a fifth fundamental force?"} | |
| {"query_id": 103670, "query": "Do black holes exist?"} | |
| {"query_id": 75108, "query": "Is it possible to have a magnet which looks like a hollow cylinder and who's north is interior and south is exterior?"} | |
| {"query_id": 6533, "query": "What allows the modified Urca process to work at lower density than direct Urca in neutron star cooling?"} | |
| {"query_id": 10470, "query": "How does water evaporate if it doesn't boil?"} | |
| {"query_id": 19043, "query": "Is one way glass possible?"} | |
| {"query_id": 3264, "query": "Thermal radiation spectrum of a blackbody"} | |
| {"query_id": 80932, "query": "Are free electrons in a metal really free"} | |
| {"query_id": 73162, "query": "Should we necessarily express the dimensions of a physical quantity within square brackets?"} | |
| {"query_id": 34689, "query": "What were the intention/conclusions for Michelson-Morley experiment?"} | |
| {"query_id": 8709, "query": "Does mass affect speed of orbit at a certain distance?"} | |
| {"query_id": 95193, "query": "Countable Matrix Representation"} | |
| {"query_id": 104513, "query": "Derivation of Euler's equations for rigid body rotation"} | |
| {"query_id": 8701, "query": "Is microcausality *necessary* for no-signaling?"} | |
| {"query_id": 54656, "query": "When can one write $a=v \\cdot dv/dx$?"} | |
| {"query_id": 98459, "query": "The Achilles Paradox"} | |
| {"query_id": 7633, "query": "Direction of Magnetic force from a current running through a coil of wire"} | |
| {"query_id": 63138, "query": "Capacitors discharging in series"} | |
| {"query_id": 75352, "query": "Atoms: boson or fermion?"} | |
| {"query_id": 74020, "query": "Why did the Earth cool down?"} | |
| {"query_id": 661, "query": "Is it possible to blur an image in such way that a person with sight problems could see it sharp?"} | |
| {"query_id": 123267, "query": "Is there an upper limit to a rocket's size/payload?"} | |
| {"query_id": 52487, "query": "Photometer: measured Irradiance L converted to photon rate"} | |
| {"query_id": 89988, "query": "Can we actually prove with 100% accuracy that there is more than 3 dimensions plus time (t,x,y,z)?"} | |
| {"query_id": 77525, "query": "Is spacetime all that exists?"} | |
| {"query_id": 12664, "query": "Proving that interval preserving transformations are linear"} | |
| {"query_id": 52008, "query": "Does light accelerate or slow down during reflection?"} | |
| {"query_id": 37702, "query": "How do you change Planck's law from frequency to wavelength?"} | |
| {"query_id": 135007, "query": "Constants of infinity"} | |
| {"query_id": 134157, "query": "Can mass be totally converted into energy?"} | |
| {"query_id": 99338, "query": "Transportation using disintegration"} | |
| {"query_id": 67746, "query": "Why two balls of different mass dropped from the same height falls the ground at the same time?"} | |
| {"query_id": 118988, "query": "If lead's electron configuration ends with 6p$^2$, shouldn't it be paramagnetic?"} | |
| {"query_id": 19262, "query": "What's the standard \"roadmap\" to learning quantum physics?"} | |
| {"query_id": 66658, "query": "Atmospheric pressure experiment using a cup with a fluid to hold a glass plate"} | |
| {"query_id": 98000, "query": "Does the time for communication between moving objects solely account for each object to perceive the other object's clock to more slowly tick?"} | |
| {"query_id": 75363, "query": "How is the Schroedinger equation a wave equation?"} | |
| {"query_id": 127461, "query": "Could space itself be made out of particles?"} | |
| {"query_id": 18170, "query": "Measurement of Tangential Momentum Accomodation?"} | |
| {"query_id": 54431, "query": "Can we make images of single atoms?"} | |
| {"query_id": 55760, "query": "What are the implications if Supersting theory is discredited?"} | |
| {"query_id": 31395, "query": "What happens to matter in a standard model with zero Higgs VEV?"} | |
| {"query_id": 56851, "query": "Noether's current expression in Peskin and Schroeder"} | |
| {"query_id": 7877, "query": "Pendulum with water dripping out"} | |
| {"query_id": 11542, "query": "Why is gravitation force always attractive?"} | |
| {"query_id": 54437, "query": "Learning more about String theory"} | |
| {"query_id": 121911, "query": "How to find equation of motion for this trajectory? - object leaves curved ramp at a given velocity"} | |
| {"query_id": 45545, "query": "Relativistic Hamiltonian Formulations"} | |
| {"query_id": 105681, "query": "Integrating for speed"} | |
| {"query_id": 65339, "query": "How & Why does accelerating charges radiate electromagnetic radiation?"} | |
| {"query_id": 46639, "query": "Non-Degeneracy of Eigenvalues of Number Operator for Simple Harmonic Oscillator"} | |
| {"query_id": 31387, "query": "How do you find spin of a particle from experimental data?"} | |
| {"query_id": 53356, "query": "Reference on Chern-Simons theory"} | |
| {"query_id": 52024, "query": "Is there any case in physics where the equations of motion depend on high time derivatives of the position?"} | |
| {"query_id": 107614, "query": "Why \"Dark Energy\" is called energy instead of force?"} | |
| {"query_id": 101291, "query": "Density operators in a Hilbert Space"} | |
| {"query_id": 64253, "query": "Distance away from earth to see it as a full disk"} | |
| {"query_id": 65584, "query": "What happens when non-equal voltages are put in parallel?"} | |
| {"query_id": 106501, "query": "Is Dark Energy Pushing Us Or Pulling Us?"} | |
| {"query_id": 94901, "query": "Contracting Indices"} | |
| {"query_id": 46863, "query": "Why is a cycloid path the fastest way to roll a ball downward?"} | |
| {"query_id": 7421, "query": "Brachistochrone Problem for Inhomogeneous Potential"} | |
| {"query_id": 98027, "query": "What is the universe 'expanding' into?"} | |
| {"query_id": 75385, "query": "What is Mathematical formulation of entropic Gravitational force?"} | |
| {"query_id": 96081, "query": "Is the second law of thermodynamics a fundamental law, or does it emerge from other laws?"} | |
| {"query_id": 11527, "query": "The Higgs field a new Luminiferous aether?"} | |
| {"query_id": 52273, "query": "Is it possible for a physical object to have a irrational length?"} | |
| {"query_id": 133096, "query": "Expanding universe and the speed of light"} | |
| {"query_id": 133093, "query": "What formula connects the moment of inertia and angular velocity?"} | |
| {"query_id": 87376, "query": "Good and simple reference for studying about ADM mass"} | |
| {"query_id": 6582, "query": "What sort of jobs do physics graduates with B.Sc/M.Sc get?"} | |
| {"query_id": 86270, "query": "Dual nature of Matter at gross level"} | |
| {"query_id": 47941, "query": "Dumbed-down explanation how scientists know the number of atoms in the universe?"} | |
| {"query_id": 113267, "query": "Is temperature discrete"} | |
| {"query_id": 115204, "query": "Visualization of electromagnetic field"} | |
| {"query_id": 24841, "query": "Geocentric Model in General Relativity"} | |
| {"query_id": 80966, "query": "Why current through all the resistors in series is considered to be same?"} | |
| {"query_id": 23753, "query": "Information conservation during quantum measurement"} | |
| {"query_id": 118717, "query": "Newton and the change of mass with time"} | |
| {"query_id": 60900, "query": "About hubble observatory and distant galaxies"} | |
| {"query_id": 32699, "query": "How to explain $E=mc^2$ mass defect in fission/fusion"} | |
| {"query_id": 57975, "query": "Force with zero acceleration"} | |
| {"query_id": 56888, "query": "rephrasing my question on QFT and path intergrals?"} | |
| {"query_id": 7668, "query": "Fundamental question about dimensional analysis"} | |
| {"query_id": 89787, "query": "Centrifugal force acting on ring"} | |
| {"query_id": 134199, "query": "Why is uncertainty $\\geq {\\hbar}/{2} $"} | |
| {"query_id": 108924, "query": "Chemical potential of photons"} | |
| {"query_id": 133820, "query": "If sound travels through matter what medium does light travel through?"} | |
| {"query_id": 47259, "query": "If everything in the universe doubled in size overnight, would it be noticeable?"} | |
| {"query_id": 71126, "query": "Why does the refractive index depend on wavelength?"} | |
| {"query_id": 9864, "query": "How to define angular momentum in other than three dimensions?"} | |
| {"query_id": 62653, "query": "Attraction and repulsion of Magnetic materials"} | |
| {"query_id": 133829, "query": "Doppler Shift when Light Travels Through Two Different Mediums"} | |
| {"query_id": 63987, "query": "Why don't electric workers get electrocuted when only touching one wire?"} | |
| {"query_id": 64834, "query": "Does quantum mechanics depend solely on electromagnetic waves?"} | |
| {"query_id": 126296, "query": "What is the current state of research about the Hayden-Preskill circuit?"} | |
| {"query_id": 87715, "query": "Voltage in a short circuit system"} | |
| {"query_id": 27641, "query": "Entanglement in time"} | |
| {"query_id": 24131, "query": "What is the support for the suggestion that reality is a computer simulation?"} | |
| {"query_id": 60476, "query": "Exact Solutions to the Navier-Stokes Equations"} | |
| {"query_id": 104019, "query": "Special Relativity Textbooks Request"} | |
| {"query_id": 16755, "query": "Why is energy in a wave proportional to amplitude squared"} | |
| {"query_id": 69281, "query": "The interaction picture doesn't exist?"} | |
| {"query_id": 75977, "query": "Is Veneziano amplitude able to explain the physical properties of strongly interacting hadrons (such as proton and neutron)?"} | |
| {"query_id": 68198, "query": "Why can't some light ever reach earth?"} | |
| {"query_id": 8784, "query": "\"Troll physics\": Buoyancy for infinite power"} | |
| {"query_id": 53708, "query": "How can I understand work conceptually?"} | |
| {"query_id": 107546, "query": "Why doesn't our body gets crushed due to the atmospheric pressure?"} | |
| {"query_id": 45067, "query": "Momentum as Generator of Translations"} | |
| {"query_id": 129314, "query": "Calculating Hubble's constant at earlier times"} | |
| {"query_id": 92051, "query": "How can momentum but not energy be conserved in an inelastic collision?"} | |
| {"query_id": 92293, "query": "Gravity from energy"} | |
| {"query_id": 132988, "query": "Energy & Mass of a Photon"} | |
| {"query_id": 79085, "query": "Way to become a physicist"} | |
| {"query_id": 41937, "query": "Non-linear dynamics of classical hydrogen atom"} | |
| {"query_id": 12169, "query": "Detection of the Electric Charge of a Black Hole"} | |
| {"query_id": 83101, "query": "Expansion of a function"} | |
| {"query_id": 51776, "query": "How are current and voltage out of phase in capacitive circuit?"} | |
| {"query_id": 109957, "query": "How does Einstein got equivalent mass - energy equation E=mc2?"} | |
| {"query_id": 73329, "query": "Born's Rule, What is the Reason?"} | |
| {"query_id": 13220, "query": "Physics needed to build a top down billiards game"} | |
| {"query_id": 15640, "query": "What are \"electron holes\" in semiconductors?"} | |
| {"query_id": 14791, "query": "Why are the even and odd Regge trajectories degenerate?"} | |
| {"query_id": 24596, "query": "Is the converse of Noether's first theorem true: Every conservation law has a symmetry?"} | |
| {"query_id": 24359, "query": "Why do objects follow geodesics in spacetime?"} | |
| {"query_id": 252, "query": "The Many Body problem"} | |
| {"query_id": 116230, "query": "Why fundamentally does classical mechanics lead to second order dynamics?"} | |
| {"query_id": 60016, "query": "exercise books for Feynman diagrams"} | |
| {"query_id": 89914, "query": "Proof of conservation of information"} | |
| {"query_id": 87976, "query": "Direction of friction when a car turns"} | |
| {"query_id": 107746, "query": "Spinning of the Earth"} | |
| {"query_id": 104237, "query": "Why do the planets orbit the Sun?"} | |
| {"query_id": 1915, "query": "What does it mean that the universe is \"infinite\"?"} | |
| {"query_id": 6384, "query": "Why does dilation invariance often imply proper conformal invariance?"} | |
| {"query_id": 61592, "query": "Naked singularity and extendable geodesics"} | |
| {"query_id": 9898, "query": "The Density of Clouds"} | |
| {"query_id": 102076, "query": "Capacitance of bodies with different charge"} | |
| {"query_id": 5057, "query": "Does string theory provide quantitative experimental predictions?"} | |
| {"query_id": 75756, "query": "On the atomic level how do permanent magnets work?"} | |
| {"query_id": 7479, "query": "A Basic Question about Gravity, Inertia or Momentum or something along those lines"} | |
| {"query_id": 47224, "query": "What does a sphere moving close to the speed of light look like?"} | |
| {"query_id": 6147, "query": "Time Dilation - How does it know which Frame of Reference to age slower?"} | |
| {"query_id": 126264, "query": "On becoming theoretical physicist"} | |
| {"query_id": 23038, "query": "Why does the sound pitch increase on every consecutive tick at the bottom of a filled cup of coffee?"} | |
| {"query_id": 103160, "query": "It's commonly said that the existence of antiparticles \"saves causality\". How?"} | |
| {"query_id": 26307, "query": "The collision of Phobos"} | |
| {"query_id": 28720, "query": "How to get Planck length"} | |
| {"query_id": 87725, "query": "Triboluminescence, how does it work?"} | |
| {"query_id": 53734, "query": "How do we make symmetry assumptions rigorous?"} | |
| {"query_id": 11299, "query": "Do spacelike singularities really exist in quantum gravity?"} | |
| {"query_id": 44193, "query": "What would happen to a person that was inside the Large Hadron Collider when it is turned on?"} | |
| {"query_id": 9663, "query": "Is it pions or gluons that mediate the strong force between nucleons?"} | |
| {"query_id": 106484, "query": "If you shoot a light beam behind the event horizon of a black hole, what happens to the light?"} | |
| {"query_id": 48548, "query": "Apparent paradox in equation of continuity"} | |
| {"query_id": 108661, "query": "Movement with non-constant acceleration"} | |
| {"query_id": 109992, "query": "Heat energy in special theory of relativity"} | |
| {"query_id": 105398, "query": "What will change if we have another Earth in the space near Earth?"} | |
| {"query_id": 130999, "query": "Why do we observe opposite motion of trees (nearer) and trees (distant) when seen from a moving frame?"} | |
| {"query_id": 23487, "query": "3d holograms - How are they created?"} | |
| {"query_id": 94040, "query": "Why aren't quarks free?"} | |
| {"query_id": 271, "query": "Why don't spinning tops fall over?"} | |
| {"query_id": 27847, "query": "Why is there a $\\frac 1 2$ in $\\frac 1 2 mv^2$?"} | |
| {"query_id": 23007, "query": "How much oxygen would be consumed on a 1 cm squared surface which is on fire?"} | |
| {"query_id": 88606, "query": "Within the context of string theory, is matter nothing more than a vibration on a membrane of space-time?"} | |
| {"query_id": 26992, "query": "Spectrum of Free Strings"} | |
| {"query_id": 86424, "query": "How did Newton find the relationship between force, mass and acceleration?"} | |
| {"query_id": 8347, "query": "Trapping a lightray"} | |
| {"query_id": 37881, "query": "Why is torque not measured in Joules?"} | |
| {"query_id": 48534, "query": "Does kinetic friction increase as speed increases?"} | |
| {"query_id": 62222, "query": "Cancelling special & general relativistic effects"} | |
| {"query_id": 73114, "query": "Space expanding, or light slowing down?"} | |
| {"query_id": 130767, "query": "Beginner question: timelessness of massless particles"} | |
| {"query_id": 24588, "query": "Why don't we see solar and lunar eclipses often?"} | |
| {"query_id": 34130, "query": "How to make a monopole magnet?"} | |
| {"query_id": 64647, "query": "Why doesn't a bus blow due to internal pressure?"} | |
| {"query_id": 95366, "query": "Why does Stephen Hawking say black holes don't exist?"} | |
| {"query_id": 110736, "query": "About the speed of light and gravity"} | |
| {"query_id": 25437, "query": "Why do we always see the same side of the Moon?"} | |
| {"query_id": 129350, "query": "Does the order of variables matter for a quantum Lagrangian in the path integral formula for quantum mechanics?"} | |
| {"query_id": 95361, "query": "Can we calculate the frame dragging force of the Earth?"} | |
| {"query_id": 129593, "query": "minimum possible absolute temperature in the universe?"} | |
| {"query_id": 90908, "query": "Could Dark Matter form black hole?"} | |
| {"query_id": 116281, "query": "Dark Energy / Accelerating universe: naive question"} | |
| {"query_id": 53519, "query": "Physics textbook for mathematicians"} | |
| {"query_id": 16725, "query": "Intuitively, what is the source term of the Einstein field equation?"} | |
| {"query_id": 123803, "query": "Different factors of $4\\pi$ and $\\epsilon_0$ in Poisson equation"} | |
| {"query_id": 62474, "query": "Does friction depend on the area between bodies thats in contact?"} | |
| {"query_id": 38961, "query": "Why there is no negative temperature"} | |
| {"query_id": 130773, "query": "Why does coke fizz more when you add ice"} | |
| {"query_id": 25883, "query": "Why is there still radiation left from the Big Bang now?"} | |
| {"query_id": 99754, "query": "What jobs can you get in the field of physics?"} | |
| {"query_id": 129340, "query": "The role of SO(3) and SU(2) in quantum mechanics"} | |
| {"query_id": 122941, "query": "Why must a singularity form inside a black hole?"} | |
| {"query_id": 35218, "query": "Why do some physicists believe that scalable quantum computing is possible?"} | |
| {"query_id": 117120, "query": "Prerequisites for Griffiths electrodynamics"} | |
| {"query_id": 34366, "query": "Time taken for object in space to fall to earth"} | |
| {"query_id": 34364, "query": "Why does a cuboid spin stably around two axes but not the third?"} | |
| {"query_id": 10154, "query": "Does the Standard model allow for radioactive decay prediction?"} | |
| {"query_id": 38963, "query": "Study Quantum Physics"} | |
| {"query_id": 50015, "query": "confusion on quantum field theory"} | |
| {"query_id": 45495, "query": "Why does the universe exhibit three large-scale spatial dimensions?"} | |
| {"query_id": 36303, "query": "Introduction to AdS/CFT"} | |
| {"query_id": 1957, "query": "What is the difference between a white object and a mirror?"} | |
| {"query_id": 78827, "query": "What are those characteristics by which every sound can be identified uniquely?"} | |
| {"query_id": 28929, "query": "How to find orbital radius of star in a binary system using redshift and orbital period data?"} | |
| {"query_id": 107563, "query": "What's the proof that the polarization occur s to the electric field of the light?"} | |
| {"query_id": 45247, "query": "Trying to understand the tension in a spring with two weights attached"} | |
| {"query_id": 107561, "query": "Dependence of Force as a function of Distance?"} | |
| {"query_id": 7276, "query": "What combinations of realism, non-locality, and contextuality are ruled out in quantum theory?"} | |
| {"query_id": 10161, "query": "Is there a good chance that gravitational waves will be detected in the next years?"} | |
| {"query_id": 14760, "query": "What is the variable plotted on the y-axis on these Higgs exclusion graphs?"} | |
| {"query_id": 109982, "query": "How is a vacuum able to propagate light?"} | |
| {"query_id": 10163, "query": "Special Relativity and time"} | |
| {"query_id": 99505, "query": "What is the conclusion from Aharonov-Bohm Effect?"} | |
| {"query_id": 34352, "query": "How is light affected by gravity?"} | |
| {"query_id": 16708, "query": "Why does it seem like a broken magnet's poles flip?"} | |
| {"query_id": 11014, "query": "Will the night sky eventually be bright?"} | |
| {"query_id": 21051, "query": "Why are continuum fluid mechanics accurate when constituents are discrete objects of finite size?"} | |
| {"query_id": 9449, "query": "Video lectures on graduate level Classical Electrodynamics"} | |
| {"query_id": 55719, "query": "Schrodinger's cat experiment"} | |
| {"query_id": 12589, "query": "Are there formulae for calculating stellar luminosity and effective temperature as a function of age?"} | |
| {"query_id": 15855, "query": "How does quantum trapping with diamagnets work?"} | |
| {"query_id": 15263, "query": "Neutrino unaffected by gravity"} | |
| {"query_id": 6197, "query": "Do two beams of light attract each other in general theory of relativity?"} | |
| {"query_id": 68599, "query": "What sets a \"Law\" apart from a \"Rule\" or a \"Principle\"?"} | |
| {"query_id": 90044, "query": "Halliday resnick physics book"} | |
| {"query_id": 106287, "query": "Is the universe flat?"} | |
| {"query_id": 73945, "query": "Work done by magnetic field"} | |
| {"query_id": 110543, "query": "Open-source up-to-date cosmological datasets"} | |
| {"query_id": 68112, "query": "Formula for Symmetry Factor"} | |
| {"query_id": 16596, "query": "About the Ether Theory acceptance"} | |
| {"query_id": 8379, "query": "Do Hydrinos Exist?"} | |
| {"query_id": 9468, "query": "In what order should the subjects be studied in order to get to String Theory"} | |
| {"query_id": 82417, "query": "Is the trajectory of the Moon around the Earth stable?"} | |
| {"query_id": 82418, "query": "Analytic solution for angle of minimum deviation?"} | |
| {"query_id": 123610, "query": "Current in a strip - Scalar or vector"} | |
| {"query_id": 120107, "query": "What keeps objects made of gold apart?"} | |
| {"query_id": 123857, "query": "Mathematical calculation of probability of existence of planet similar to earth"} | |
| {"query_id": 111866, "query": "Intuitive meaning of Dot Product"} | |
| {"query_id": 19632, "query": "How much electric charge do electromagnetic waves carry?"} | |
| {"query_id": 92454, "query": "Guinier regime for form factor"} | |
| {"query_id": 22803, "query": "Is acceleration relative?"} | |
| {"query_id": 90034, "query": "How are the definitions of a coherent state equivalent?"} | |
| {"query_id": 70200, "query": "Why electrons can't radiate in their atoms' orbits?"} | |
| {"query_id": 133431, "query": "Can expansion of space create energy?"} | |
| {"query_id": 71772, "query": "How can we deduce the relation $m = \\frac{m_0}{\\sqrt{1-\\frac{v^2}{c^2}}}$ between relativistic mass and rest mass in special relativity?"} | |
| {"query_id": 1984, "query": "Why does holding something up cost energy while no work is being done?"} | |
| {"query_id": 1982, "query": "Is colour, as represented using primary colours, accurate only to humans?"} | |
| {"query_id": 27496, "query": "Is the universe a quantum computer - is light speed barrier a computational constraint"} | |
| {"query_id": 81561, "query": "Why can we skate on ice?"} | |
| {"query_id": 70439, "query": "How occurs the enantiomorph of the mirror?"} | |
| {"query_id": 130171, "query": "At what speed will objects hit a singularity?"} | |
| {"query_id": 107113, "query": "Calculate the average temperature needed for hydrogen fusion reaction"} | |
| {"query_id": 92245, "query": "Electromagnet emitting light"} | |
| {"query_id": 95756, "query": "Why does a floating balloon in an accelerated train moves forward but the pendulum moves backward?"} | |
| {"query_id": 91392, "query": "Is temperature of a single molecule defined?"} | |
| {"query_id": 7063, "query": "What actually happens when an anti-matter projectile collides with matter?"} | |
| {"query_id": 119103, "query": "How does heat actually stay kept in the carbon molecules in the atmosphere?"} | |
| {"query_id": 60899, "query": "The paradoxical nature of Hawking radiation"} | |
| {"query_id": 29642, "query": "In a neutron star - what force keeps the neutrons from getting closer and closer?"} | |
| {"query_id": 108214, "query": "Applications of low-dimensional topology to physics"} | |
| {"query_id": 129378, "query": "The universe could have created itself?"} | |
| {"query_id": 129137, "query": "Black Hole gravity pull"} | |
| {"query_id": 70463, "query": "Exchange particles-real or just mathetical constructs?"} | |
| {"query_id": 108212, "query": "What's the relationship between $SL(2,\\mathbb{C})$, $SU(2)\\times SU(2)$ and $SO(1,3)$?"} | |
| {"query_id": 105183, "query": "Question about two masses connected by a spring"} | |
| {"query_id": 9495, "query": "What is the fastest process or shortest time in nature?"} | |
| {"query_id": 59438, "query": "How do you calculate power at the focal point of a mirror?"} | |
| {"query_id": 83524, "query": "Harmonic Motion"} | |
| {"query_id": 51711, "query": "Why shouldn't the uncertainty principle be interpreted as an observer effect?"} | |
| {"query_id": 71309, "query": "Is there an EMF in a conductor moving at constant speed across the uniform magnetic field"} | |
| {"query_id": 36167, "query": "Does juggling balls reduce the total weight of the juggler and balls?"} | |
| {"query_id": 130116, "query": "How do photons know they can or can't excite electrons?"} | |
| {"query_id": 47291, "query": "How could the relative zero gravity of the International Space Station be canceled?"} | |
| {"query_id": 1775, "query": "Why is there no absolute maximum temperature?"} | |
| {"query_id": 31950, "query": "Higgs boson and other properties of particles."} | |
| {"query_id": 126921, "query": "Magnet motor free energy generator"} | |
| {"query_id": 85975, "query": "How much extra distance to an event horizon?"} | |
| {"query_id": 102719, "query": "What is the formula for determining time dilation (as the object in motion)?"} | |
| {"query_id": 121476, "query": "What happens if the earth stops rotating?"} | |
| {"query_id": 122564, "query": "Alternating Current Inquires"} | |
| {"query_id": 2860, "query": "How does electron move around nucleus?"} | |
| {"query_id": 17408, "query": "Do atmospheric physics prevent hot air balloons from ascending over 60,000ft?"} | |
| {"query_id": 51723, "query": "How were the crystal lattices of elements determined to perfection ? (Ex:- That of a copper is a cubic lattice )"} | |
| {"query_id": 101624, "query": "Can someone be too late for being a great physicist?"} | |
| {"query_id": 133876, "query": "Maximum voltage on metal sphere?"} | |
| {"query_id": 132788, "query": "What moves an object? Momentum or Kinetic Energy?"} | |
| {"query_id": 41741, "query": "Linear motion with variable acceleration"} | |
| {"query_id": 71576, "query": "Static friction greater than kinetic friction"} | |
| {"query_id": 110330, "query": "Do oceans produce the cosmic microwave background?"} | |
| {"query_id": 14142, "query": "Maximum limit on the number of paper-folds possible after tearing into halves"} | |
| {"query_id": 109364, "query": "Can 'Backradiation' warm its own source?"} | |
| {"query_id": 55091, "query": "How small are the smallest black holes?"} | |
| {"query_id": 58122, "query": "Why work to change velocity from 0 to 20 km/h is less then from 20 to 40?"} | |
| {"query_id": 28781, "query": "Why, when one opens 1 car window, does that noise occur?"} | |
| {"query_id": 43919, "query": "Dark Energy saving the world"} | |
| {"query_id": 110581, "query": "Do COBE, WMAP, or Planck data show time-variance of the CMB's anisotropies?"} | |
| {"query_id": 30616, "query": "Energy efficiency of antimatter producion"} | |
| {"query_id": 39428, "query": "Is this a good explanation of the Higgs mechanism?"} | |
| {"query_id": 47284, "query": "Rolling (without slipping) ball on a moving surface 2"} | |
| {"query_id": 73528, "query": "Singularity in a black hole"} | |
| {"query_id": 71589, "query": "Is it possible for a planet to be made entirely of water (even it's core)?"} | |
| {"query_id": 9045, "query": "Why do they store gold bars with the narrow side down?"} | |
| {"query_id": 106065, "query": "Relativity's effects on centripetal motion"} | |
| {"query_id": 38561, "query": "Magnetic field lines"} | |
| {"query_id": 109332, "query": "Calculate analytically the time until two spheres meet due to gravitation"} | |
| {"query_id": 113830, "query": "Two explanations of non-zero atomic radius"} | |
| {"query_id": 15684, "query": "What are the mechanics by which Time Dilation and Length Contraction occur?"} | |
| {"query_id": 13020, "query": "Books that every layman should read"} | |
| {"query_id": 39654, "query": "Paradox with Gauss' law when space is uniformly charged everywhere"} | |
| {"query_id": 9049, "query": "Why doesn't the Moon fall upon Earth?"} | |
| {"query_id": 27423, "query": "Matlab package: graphical calculus for quantum operations (esp. linear optics)"} | |
| {"query_id": 134979, "query": "Does gravity weaken by the square of the distance because the energy is dispersed over the square of the distance"} | |
| {"query_id": 62637, "query": "The potential and the intensity of the gravitational field in the axis of a circular plate"} | |
| {"query_id": 93130, "query": "Is it wasteful to use a heating element, instead of doing useful work?"} | |
| {"query_id": 120124, "query": "Why is the earth shaped like a sphere and not any other shape: cube, prism?"} | |
| {"query_id": 46180, "query": "Can a deformable object \"swim\" in curved space-time?"} | |
| {"query_id": 60699, "query": "High Frequency Active Auroral Research Program (HAARP) And Earthquake Myth or Reality?"} | |
| {"query_id": 36146, "query": "atomic friction"} | |
| {"query_id": 52837, "query": "When do I apply Significant figures in physics calculations?"} | |
| {"query_id": 1317, "query": "Which is easier, pushing or pulling?"} | |
| {"query_id": 19802, "query": "Has the concept of non-integer $(n+m)$-dimensional spacetime ever been investigated by theoretical physicists?"} | |
| {"query_id": 106078, "query": "How does a simple weighing balance actually work?"} | |
| {"query_id": 13030, "query": "Why does the air flow faster over the top of an airfoil?"} | |
| {"query_id": 110554, "query": "Magnetic field resistance material: are there any?"} | |
| {"query_id": 134987, "query": "Basic understanding of stress tensors in a fluid"} | |
| {"query_id": 72447, "query": "Why this perpetuum mobile can't be possible?"} | |
| {"query_id": 75715, "query": "Elastic potential energy of compressed spring?"} | |
| {"query_id": 14362, "query": "Help Me Gain an Intuitive Understanding of Lorentz Contraction"} | |
| {"query_id": 91181, "query": "Angular Momentum of a rigid, extended object"} | |
| {"query_id": 28527, "query": "Two particles interacting by a inverse-square-law force, find their positions in function of time"} | |
| {"query_id": 41717, "query": "How is it possible to come to a conclusion that Universe is a result of the Big Bang while we aren't able to observe the entire Universe?"} | |
| {"query_id": 51990, "query": "do quantum fields exist in superposition?"} | |
| {"query_id": 16305, "query": "If Earth Were Filled with a Compressible Fluid and Spun Really Fast, What Hollow Would Form?"} | |
| {"query_id": 19816, "query": "What is the meaning of speed of light $c$ in $E=mc^2$?"} | |
| {"query_id": 38313, "query": "What's the difference between electron movement and charge movement in electricity?"} | |
| {"query_id": 102941, "query": "How many physical degrees of freedom does the $\\mathrm{SU(N)}$ Yang-Mills theory have?"} | |
| {"query_id": 51995, "query": "Speed of light in a given direction based on frame of reference"} | |
| {"query_id": 52845, "query": "Nuclear structure"} | |
| {"query_id": 132058, "query": "Speed greater than light in circular motion"} | |
| {"query_id": 20333, "query": "Speed of a fly inside a car"} | |
| {"query_id": 45634, "query": "Impurity scattering temperature dependence"} | |
| {"query_id": 68757, "query": "Why do neutrinos propagate in a mass eigenstate?"} | |
| {"query_id": 91534, "query": "Lecture Notes to Learn Quantum Field Theory"} | |
| {"query_id": 68512, "query": "Evidence for expansion of space"} | |
| {"query_id": 127940, "query": "Jump from a falling object"} | |
| {"query_id": 75286, "query": "does time exist in space or does space exist in time"} | |
| {"query_id": 82821, "query": "current in wire + special relativity = magnetism"} | |
| {"query_id": 34500, "query": "How can black holes have gravity?"} | |
| {"query_id": 12717, "query": "Charging 12V 150Ah battery"} | |
| {"query_id": 119083, "query": "Exeeding the speed of light by adding velocities"} | |
| {"query_id": 113527, "query": "Is the Lorentz force conservative?"} | |
| {"query_id": 18028, "query": "How can I modify the bullet trajectory based on the ballistic coefficient?"} | |
| {"query_id": 87260, "query": "Time Slowing Down"} | |
| {"query_id": 113523, "query": "Sign convention for mirror and lens formulas"} | |
| {"query_id": 69855, "query": "Planck length implies lattice structure of space?"} | |
| {"query_id": 98157, "query": "Speed and Velocity Worksheet"} | |
| {"query_id": 16082, "query": "How do I find the frictional force using a free body diagram?"} | |
| {"query_id": 11878, "query": "A No-Nonsense Introduction to Quantum Field Theory"} | |
| {"query_id": 30134, "query": "Intrinsic structure of electron"} | |
| {"query_id": 4617, "query": "Why two objects get charged by rubbing?"} | |
| {"query_id": 80872, "query": "Newtons Cradle, Collision Theory"} | |
| {"query_id": 55458, "query": "Why is the Lagrangian quadratic in $\\dot{q}$?"} | |
| {"query_id": 10308, "query": "The \"Nerd Sniping\" problem. Generalizations?"} | |
| {"query_id": 1343, "query": "Why does dust stick to rotating fan propeller?"} | |
| {"query_id": 3521, "query": "Has the black hole information loss paradox been settled?"} | |
| {"query_id": 55698, "query": "What is the role of center-tapping in a full wave rectifier?"} | |
| {"query_id": 59815, "query": "Is a heavier skier faster?"} | |
| {"query_id": 41494, "query": "Physical meaning of force times area"} | |
| {"query_id": 18473, "query": "Where do electrons get their ever-lasting circulating energy?"} | |
| {"query_id": 91797, "query": "Why would an electron in an orbit be accelerating continuously and would thus radiate away its energy and fall into the nucleus in a classical model?"} | |
| {"query_id": 39170, "query": "Good Magnetic Simulation Software?"} | |
| {"query_id": 52195, "query": "Ultrasonic wave through air"} | |
| {"query_id": 2687, "query": "Modern references for continuum mechanics"} | |
| {"query_id": 2684, "query": "How do I calculate the (apparent) gravitational pull with General Relativity?"} | |
| {"query_id": 57643, "query": "Dark energy and dark matter"} | |
| {"query_id": 94819, "query": "Because position is relative, is it possible to see a star orbiting a planet?"} | |
| {"query_id": 68302, "query": "Best way to chill a cup of coffee with cold water and 5 minutes"} | |
| {"query_id": 21654, "query": "How to find the value of the parameter $a$ in this transfer function?"} | |
| {"query_id": 46933, "query": "What's the most efficient way to study physics?"} | |
| {"query_id": 43665, "query": "Logical requirement of newton's third law"} | |
| {"query_id": 66363, "query": "Estimating the present state of stars"} | |
| {"query_id": 41245, "query": "What is the present state of Mach's Principle amongst physicists?"} | |
| {"query_id": 94812, "query": "How are the triangular Lagrange points in a Three body Problem stable, yet having a higher effective potential?"} | |
| {"query_id": 135115, "query": "Has NASA confirmed that Roger Shawyer's EmDrive thruster works?"} | |
| {"query_id": 113982, "query": "Why $\\vec F=m\\vec a$ instead of $\\vec F=m\\vec v$?"} | |
| {"query_id": 45849, "query": "Origin of lepton/quark generations?"} | |
| {"query_id": 1372, "query": "Is rotational motion relative to space?"} | |
| {"query_id": 113749, "query": "Is there experimental evidence that massless particles such as photons attract massive objects?"} | |
| {"query_id": 39161, "query": "What happens to an embedded magnetic field when a black hole is formed from rotating charged dust?"} | |
| {"query_id": 102627, "query": "Second Rank Tensors"} | |
| {"query_id": 30353, "query": "Supersymmetry in Quantum Field Theory"} | |
| {"query_id": 30597, "query": "Black holes and positive/negative-energy particles"} | |
| {"query_id": 33621, "query": "How do electrons know which path to take in a circuit?"} | |
| {"query_id": 944, "query": "Noticing that Newtonian gravity and electrostatics are equivalent, is there also a relationship between the general relativity and electrodynamics?"} | |
| {"query_id": 4635, "query": "Understanding weight on an inclined plane"} | |
| {"query_id": 7905, "query": "Massless charged particles"} | |
| {"query_id": 22713, "query": "Jumping in an elevator?"} | |
| {"query_id": 102680, "query": "How can you use magnets to rotate a shaft, which in turn powers a generator?"} | |
| {"query_id": 92662, "query": "Is everyone seeing the same color as I see?"} | |
| {"query_id": 116842, "query": "What would happen if I was in the centre of the Earth?"} | |
| {"query_id": 18691, "query": "Topics in particle cosmology"} | |
| {"query_id": 44509, "query": "Photon energy - momentum in matter"} | |
| {"query_id": 81536, "query": "electric field inside a conductor?"} | |
| {"query_id": 60830, "query": "Why isn't temperature measured in Joules?"} | |
| {"query_id": 116851, "query": "Why are the 'color-neutral' gluons confined?"} | |
| {"query_id": 3795, "query": "Why are snowflakes symmetrical?"} | |
| {"query_id": 112011, "query": "Nonzero ground state energy of the quantum harmonic oscillator"} | |
| {"query_id": 19548, "query": "Does mass affects accelleration of an object in a sloapy movement?"} | |
| {"query_id": 3799, "query": "Why is cold fusion considered bogus?"} | |
| {"query_id": 44974, "query": "Calculating restorative force with Hooke's Law"} | |
| {"query_id": 112476, "query": "Water Displacement in the Oceans As a result of Global Warming"} | |
| {"query_id": 69657, "query": "How could vacuum energy cause the expansion of the universe?"} | |
| {"query_id": 22960, "query": "Flying a toy helicopter inside an accelerating train"} | |
| {"query_id": 77020, "query": "Are Lorentz force and maxwell's equations independent?"} | |
| {"query_id": 20303, "query": "Negative chemical potential"} | |
| {"query_id": 43406, "query": "What constitutes an observation/measurement in QM?"} | |
| {"query_id": 79685, "query": "If the source of sound is vibration, why can't we \"hear\" a object whose molecules are vibrating?"} | |
| {"query_id": 83701, "query": "What are the Time Operators in Quantum Mechanics?"} | |
| {"query_id": 29355, "query": "Reading the Feynman lectures in 2012"} | |
| {"query_id": 80433, "query": "Derivation of Newton-Euler equations of motion"} | |
| {"query_id": 90469, "query": "Do all massless particles (e.g. photon, graviton, gluon) necessarily have the same speed $c$?"} | |
| {"query_id": 59617, "query": "Hurdles in creating (close to) infinite images"} | |
| {"query_id": 89002, "query": "Why treat complex scalar field and its complex conjugate as two different fields?"} | |
| {"query_id": 39131, "query": "Light orbiting a massive body"} | |
| {"query_id": 71503, "query": "What causes a blackbody radiation curve to be continuous?"} | |
| {"query_id": 93530, "query": "Why is pressure always non directional?"} | |
| {"query_id": 18670, "query": "ALL \"forces\" as manifestations of properties of space-time"} | |
| {"query_id": 70651, "query": "Why is the Ampere a base unit and not the Coulomb?"} | |
| {"query_id": 41211, "query": "What is the difference between a spinor and a vector or a tensor?"} | |
| {"query_id": 2254, "query": "When water climbs up a piece of paper, where is the energy coming from?"} | |
| {"query_id": 114887, "query": "Hubble time and its derivation?"} | |
| {"query_id": 93771, "query": "Understanding field representation of force"} | |
| {"query_id": 32501, "query": "Many-worlds: how often is the split how many are the universes? (And how do you model this mathematically.)"} | |
| {"query_id": 61936, "query": "Why does the Boltzmann factor $e^{-E/kT}$ seem to imply that lower energies are more likely?"} | |
| {"query_id": 83735, "query": "Why do we seek to preserve gauge symmetries after quantization?"} | |
| {"query_id": 56355, "query": "Antimatter in the universe"} | |
| {"query_id": 80467, "query": "Why does time reversibility imply equilibrium in a thermodynamic system?"} | |
| {"query_id": 111382, "query": "Is light electromagnetic waves or quantumn particle waves?"} | |
| {"query_id": 132043, "query": "Why doesn't the light from galaxies appear stretched?"} | |
| {"query_id": 68573, "query": "Two balls falling one above the other"} | |
| {"query_id": 95705, "query": "Why does ice form on bridges even if the temperature is above freezing?"} | |
| {"query_id": 113548, "query": "Active noise cancellation technology measurements"} | |
| {"query_id": 16020, "query": "Air flow coming out of a fan feels much stronger than air flow coming in. Why?"} | |
| {"query_id": 51908, "query": "Why aren't gas planets and stars fuzzy?"} | |
| {"query_id": 100251, "query": "Linear Algebra For Physicists (Book Recommendations)"} | |
| {"query_id": 6863, "query": "Why does Fukushima pressure rise?"} | |
| {"query_id": 69679, "query": "Can solar furnace achieve higher temperature than sun surface?"} | |
| {"query_id": 44718, "query": "Elastic Collision Between Two Objects"} | |
| {"query_id": 109060, "query": "Is cosmic background radiation absolute"} | |
| {"query_id": 77282, "query": "Gauss's (Divergence) theorem in Classical Electrodynamics"} | |
| {"query_id": 81779, "query": "how does an electric field comes inside a conducting wire inside the circuit?"} | |
| {"query_id": 59635, "query": "Magnifying Glass-How does it work?"} | |
| {"query_id": 81787, "query": "Identification of particles and anti-particles"} | |
| {"query_id": 61948, "query": "Did space and time exist before the Big Bang?"} | |
| {"query_id": 26066, "query": "Why is there a limit to the intensity of cosmic rays at low energies?"} | |
| {"query_id": 743, "query": "Suggested reading for renormalization (not only in QFT)"} | |
| {"query_id": 126610, "query": "Why does Newton's Third Law not preclude any motion at all?"} | |
| {"query_id": 82874, "query": "Torque direction meaning"} | |
| {"query_id": 102423, "query": "Rolling disk in inclined plane and flat plane?"} | |
| {"query_id": 19536, "query": "Is there a Non-perturbative renormalization algorithm?"} | |
| {"query_id": 126619, "query": "Why do we say that light travels at a speed?"} | |
| {"query_id": 33822, "query": "Variational Calculus or Tensor Calculus?"} | |
| {"query_id": 46327, "query": "Flames with no gravity?"} | |
| {"query_id": 49837, "query": "How do stars look like from space?"} | |
| {"query_id": 101150, "query": "Ascertain the height an object has fallen from given force exerted and mass"} | |
| {"query_id": 83070, "query": "What's the shear rate in a turbulent flow?"} | |
| {"query_id": 68911, "query": "Why do current and electrons flow in opposite directions?"} | |
| {"query_id": 46324, "query": "To which extent is general relativity a gauge theory?"} | |
| {"query_id": 10130, "query": "Physics breakthroughs in the last two decades"} | |
| {"query_id": 4453, "query": "How could spacetime become discretised at the Planck scale?"} | |
| {"query_id": 128875, "query": "How to find the potential energy?"} | |
| {"query_id": 126694, "query": "Is the Speed of Light an universal spacetime constant, the velocity of electromagnetic waves, or of photons?"} | |
| {"query_id": 126691, "query": "What would the properties of a particle be that would allow light to orbit it?"} | |
| {"query_id": 95053, "query": "Radiation\u2013 white vs black house, hot or cool?"} | |
| {"query_id": 10139, "query": "Determining a radio signal's range"} | |
| {"query_id": 12559, "query": "What conservation law corresponds to Lorentz boosts?"} | |
| {"query_id": 127538, "query": "Are there any applications of elementary number theory to science?"} | |
| {"query_id": 134081, "query": "Why graviton is spin 2 instead of spin 1?"} | |
| {"query_id": 33258, "query": "What is invisible to x-rays?"} | |
| {"query_id": 78965, "query": "General Relativity and Time Dilation"} | |
| {"query_id": 53663, "query": "Learning roadmap for solid state physics"} | |
| {"query_id": 100056, "query": "Why do electrons and protons attract each other?"} | |
| {"query_id": 102477, "query": "Physical interpretation of Fermi golden rule?"} | |
| {"query_id": 86345, "query": "Intuitive understanding of centripetal vs. centrifugal force"} | |
| {"query_id": 129715, "query": "Quantum Mechanics and Direction of time"} | |
| {"query_id": 12557, "query": "Is apparent horizon curvature lesser due to refraction of light in the atmosphere?"} | |
| {"query_id": 46798, "query": "The meaning of imaginary time"} | |
| {"query_id": 66980, "query": "Measurements and simultaneity"} | |
| {"query_id": 12560, "query": "Software for simulating 3D Newtonian dynamics of simple geometric objects (with force fields)"} | |
| {"query_id": 73279, "query": "Gravitational slingshot of light using a black hole/massive object"} | |
| {"query_id": 7732, "query": "If the Sun were to suddenly become a black hole of the same mass, what would the orbital periods of the planets be?"} | |
| {"query_id": 6400, "query": "Are tidal power plants slowing down Earth's rotation?"} | |
| {"query_id": 35660, "query": "Is there a difference between a postulate and a principle in physics?"} | |
| {"query_id": 73275, "query": "Why stars twinkle but planets don't?"} | |
| {"query_id": 2041, "query": "How are classical optics phenomena explained in QED (Snell's law)?"} | |
| {"query_id": 123173, "query": "Kinematics question - Newton's Law of Motion"} | |
| {"query_id": 2281, "query": "Maximum theoretical data density"} | |
| {"query_id": 25637, "query": "How to correct flares and sharply focus on my telescope when viewing planets."} | |
| {"query_id": 24540, "query": "Why do Calabi-Yau manifolds crop up in string theory, and what their most useful and suggestive form?"} | |
| {"query_id": 101398, "query": "electric charge is a intrinsic property how is there a prpoer way to explain electric charge?"} | |
| {"query_id": 77867, "query": "Extra dimensions and the big bang"} | |
| {"query_id": 104423, "query": "Calculating impact velocity and time with non-uniform acceleration"} | |
| {"query_id": 44130, "query": "What are the properties and characteristics of a single Quantum?"} | |
| {"query_id": 21487, "query": "Train crash: are these situations alike?"} | |
| {"query_id": 100041, "query": "Caldeira-Leggett Dissipation: cannot get it"} | |
| {"query_id": 102222, "query": "How does a half-life work?"} | |
| {"query_id": 2056, "query": "Why is it that using cell phone can invite lighting strike?"} | |
| {"query_id": 118807, "query": "In quantum mechanics, why position and momentum are related by Fourier Transformation(only)?"} | |
| {"query_id": 2051, "query": "Why do we think there are only three generations of fundamental particles?"} | |
| {"query_id": 78741, "query": "What state is fire? Solid, Liquid or Gas or Plasma?"} | |
| {"query_id": 78500, "query": "Linearized equations"} | |
| {"query_id": 2289, "query": "Why does Guillotine have of 45 degreed blade rather than the one parallel to the ground?"} | |
| {"query_id": 86367, "query": "Is there a way I can prevent static electricty buildup from shocking me?"} | |
| {"query_id": 88545, "query": "Spring constant"} | |
| {"query_id": 100037, "query": "Do ideal gases at zero Kelvin have potential energy?"} | |
| {"query_id": 13624, "query": "Why are higher order Lagrangians called 'non-local'?"} | |
| {"query_id": 11686, "query": "finding angular velocity and regular velocity when bouncing off a surface with friction"} | |
| {"query_id": 78508, "query": "Why does Quantum Field Theory use Lagrangians rather than Hamiltonains?"} | |
| {"query_id": 112270, "query": "Thermo-Emf variation with temperature"} | |
| {"query_id": 68940, "query": "Virtual photons, what makes them virtual?"} | |
| {"query_id": 110077, "query": "Gauge Higgs Unification"} | |
| {"query_id": 43023, "query": "Why does the moon look bigger at the horizon?"} | |
| {"query_id": 66527, "query": "Why didn't a black hole form right after the Big Bang?"} | |
| {"query_id": 67616, "query": "Spin - where does it come from?"} | |
| {"query_id": 73299, "query": "General Relativity and the effect of mass on time"} | |
| {"query_id": 2066, "query": "Why does adding solutes to pure water lower the the specific heat?"} | |
| {"query_id": 130985, "query": "Can you run away from your shadow?"} | |
| {"query_id": 73051, "query": "Do cosmologically redshifted photons violate energy conservation?"} | |
| {"query_id": 107919, "query": "galaxies fading away after time"} | |
| {"query_id": 130509, "query": "Angular Momentum Conservation Definition"} | |
| {"query_id": 35645, "query": "How does the curiosity rover get it's power?"} | |
| {"query_id": 542, "query": "Chance of objects going against greater entropy?"} | |
| {"query_id": 78732, "query": "Chemistry from a physical perspective"} | |
| {"query_id": 30198, "query": "How to bend light?"} | |
| {"query_id": 88537, "query": "Steps involved in photon emission"} | |
| {"query_id": 10362, "query": "How does non-commutativity lead to uncertainty?"} | |
| {"query_id": 105735, "query": "Rutherfords alpha scattering conclutions?"} | |
| {"query_id": 44351, "query": "Why are we not using thorium for energy?"} | |
| {"query_id": 86597, "query": "QFT as a rigorous mathematical theory"} | |
| {"query_id": 87686, "query": "Will the moon really escape the Earth?"} | |
| {"query_id": 56966, "query": "Why do fields decrease with distance?"} | |
| {"query_id": 111172, "query": "What is the difference between light and visible light?"} | |
| {"query_id": 63023, "query": "I read a book saying bernoulli's flight equations didn't have as much impact on lift as most people think"} | |
| {"query_id": 68955, "query": "How does dark matter halo outside a galaxy help to explain galaxy rotation curve?"} | |
| {"query_id": 44586, "query": "How does an inflationary universe solve the Flatness Problem, Horizon Problem and Monopole Problem?"} | |
| {"query_id": 65688, "query": "Group Theory in General Relativity"} | |
| {"query_id": 91972, "query": "Stationary action with maximized action"} | |
| {"query_id": 5587, "query": "A pendulum clock problem"} | |
| {"query_id": 66538, "query": "Time dilation at a black hole"} | |
| {"query_id": 75002, "query": "Travel duration from Earth to a star at 9.8 m/s\u00b2 acceleration"} | |
| {"query_id": 56973, "query": "Why does the speed of light $c$ have the value it does?"} | |
| {"query_id": 76100, "query": "Disk spinning at the speed of light"} | |
| {"query_id": 312, "query": "Particle physics getting started"} | |
| {"query_id": 32122, "query": "Phase shift of 180 degrees on reflection from optically denser medium"} | |
| {"query_id": 32120, "query": "Why do we still not have an exact definition for a kilogram?"} | |
| {"query_id": 90635, "query": "Freezing water in a closed container"} | |
| {"query_id": 43491, "query": "Is the geometric formulation of Hamiltonian mechanics really necessary?"} | |
| {"query_id": 54317, "query": "In what limit does string theory reproduce general relativity?"} | |
| {"query_id": 87476, "query": "Could two different bases of a Hilbert space have different cardinality?"} | |
| {"query_id": 61086, "query": "How do we know that light is massless?"} | |
| {"query_id": 12756, "query": "A flying fly inside a sealed box on a scale"} | |
| {"query_id": 31039, "query": "What is gravitational speed for a black hole?"} | |
| {"query_id": 12995, "query": "Virtual particle production in space-time."} | |
| {"query_id": 28093, "query": "Relation between water flow and pressure"} | |
| {"query_id": 28094, "query": "Time for two objects to gravitationally attract each other"} | |
| {"query_id": 129991, "query": "Is \"now\" the bounding edge of the universe in the time dimension?"} | |
| {"query_id": 6682, "query": "Software for geometrical optics"} | |
| {"query_id": 135377, "query": "A question on quantum computing?"} | |
| {"query_id": 63278, "query": "What counts as \"observation\" in Schr\u00f6dinger's Cat, and why are superpositions possible?"} | |
| {"query_id": 106652, "query": "Does the Sun produce audible sound?"} | |
| {"query_id": 22566, "query": "Question Based On Units And Measurements Involving Lengths"} | |
| {"query_id": 51295, "query": "Different perspective in Quantum mechanics"} | |
| {"query_id": 56983, "query": "Electric field outside nonconducting sphere"} | |
| {"query_id": 105316, "query": "Why color of dress changes when water falls?"} | |
| {"query_id": 13851, "query": "Can you split a photon?"} | |
| {"query_id": 104468, "query": "How does atmospheric pressure work?"} | |
| {"query_id": 11673, "query": "Algorithm of Lightning Strikes?"} | |
| {"query_id": 135145, "query": "Change in momentum"} | |
| {"query_id": 31029, "query": "How can a wooden spoon be used to prevent water from over boiling?"} | |
| {"query_id": 9708, "query": "Is fire matter or energy?"} | |
| {"query_id": 135382, "query": "Is $V= V_1 + V_2$? horrible question but im confused"} | |
| {"query_id": 23625, "query": "How to deduce the theorem of addition of velocities?"} | |
| {"query_id": 128891, "query": "Airplane on a treadmill"} | |
| {"query_id": 46743, "query": "Are galactic stars spiraling inwards?"} | |
| {"query_id": 103110, "query": "A black torch to darken everything"} | |
| {"query_id": 43232, "query": "Force applied off center on an object"} | |
| {"query_id": 119935, "query": "Maximum helicopter height"} | |
| {"query_id": 130936, "query": "Why do the electron in Bohr's principal quantum levels or ground state do not emit radiation?"} | |
| {"query_id": 52391, "query": "Is the Pauli exclusion principle as Brian Cox described it?"} | |
| {"query_id": 52396, "query": "Why not an Electric Theory of Everything?"} | |
| {"query_id": 335, "query": "Is electricity instantaneous?"} | |
| {"query_id": 76367, "query": "Water coolso object by heat absorption"} | |
| {"query_id": 52155, "query": "Why lagrangian is negative number?"} | |
| {"query_id": 10311, "query": "Does it exist a free good molecule / atom simulation software?"} | |
| {"query_id": 67880, "query": "Why do metal objects in microwaves spark?"} | |
| {"query_id": 23879, "query": "Why do non-Newtonian fluids go hard when having a sudden force exerted on them?"} | |
| {"query_id": 101188, "query": "How to model a rising helium balloon?"} | |
| {"query_id": 4289, "query": "Is Gravity an entropic force after all?"} | |
| {"query_id": 19370, "query": "What would an observer see if he/she flew toward a clock at relativistic speeds?"} | |
| {"query_id": 116657, "query": "Force applied on the ground"} | |
| {"query_id": 22542, "query": "Measuring extra-dimensions"} | |
| {"query_id": 29176, "query": "Where can I find beginner's information about quantum mechanics?"} | |
| {"query_id": 114483, "query": "Smolin on Cosmological selection and neutron stars"} | |
| {"query_id": 90646, "query": "What is the relation between electromagnetic wave and photon?"} | |
| {"query_id": 71901, "query": "Why aren't superconductors shiny?"} | |
| {"query_id": 74517, "query": "Does a 27 hp engine output the same amount of energy as lifting a 1 ton stone block almost 3 meters per second?"} | |
| {"query_id": 133942, "query": "Time, distance perception"} | |
| {"query_id": 47379, "query": "What is the weight equation through general relativity?"} | |
| {"query_id": 48469, "query": "Intuitive meaning of Hilbert Space formalism"} | |
| {"query_id": 130676, "query": "What do we mean by electromagnetic charge?"} | |
| {"query_id": 104144, "query": "Why is the camera not the culprit?"} | |
| {"query_id": 47135, "query": "Displacement of a Rock Thrown Overboard"} | |
| {"query_id": 47136, "query": "Cubic symmetry and a stiffness tensor"} | |
| {"query_id": 133707, "query": "How can you calculate how fast a spinning ring/cylinder will accelerate a mass via gravitomagnetism?"} | |
| {"query_id": 57181, "query": "What are the potential technological advances that the discovery of the Higgs boson may unlock?"} | |
| {"query_id": 133703, "query": "Relating Quantum Mechanics to Classic Electromagnetism"} | |
| {"query_id": 63626, "query": "How can I understand a Vortex Tube and its efficiency?"} | |
| {"query_id": 87829, "query": "How Can There Be Magnetic Force Without Velocity"} | |
| {"query_id": 86989, "query": "What \"time\" is it for or on Voyager 1? If you could be \"still\" in the Universe who fast would time be?"} | |
| {"query_id": 117223, "query": "Photon speed going from $0$ to $c$ initially?"} | |
| {"query_id": 357, "query": "Home experiments to derive the speed of light?"} | |
| {"query_id": 11188, "query": "Can a particle be *physically* observed inside a quantum barrier?"} | |
| {"query_id": 121717, "query": "Are gravitational waves transverse or longitudinal waves, or do they have unique/unknown properties?"} | |
| {"query_id": 8420, "query": "Strongest force in nature"} | |
| {"query_id": 9751, "query": "Why don't we consider centrifugal force on a mass placed on earth?"} | |
| {"query_id": 47128, "query": "exponential potential $ \\exp(|x|) $"} | |
| {"query_id": 105483, "query": "Reducing the Tsunami impact using Nuclear bombs"} | |
| {"query_id": 130686, "query": "Why magnetic field generates around current carrying wire?"} | |
| {"query_id": 11194, "query": "Wind generators - why so few blades?"} | |
| {"query_id": 98714, "query": "How are symmetries precisely defined?"} | |
| {"query_id": 29956, "query": "Book covering Topology required for physics and applications"} | |
| {"query_id": 117205, "query": "How does the evolution of a solar system not break the second law of thermodynamics?"} | |
| {"query_id": 61455, "query": "How can a single slit diffraction produce an interference pattern?"} | |
| {"query_id": 134809, "query": "Projectile with air resistance"} | |
| {"query_id": 61699, "query": "Why are alpha particles such a prominent form of radiation and not other types of nucleon arrangement?"} | |
| {"query_id": 133714, "query": "Derivation of formula of potential energy by a conservative force"} | |
| {"query_id": 25110, "query": "Why are orbits elliptical?"} | |
| {"query_id": 105239, "query": "How does a black hole slow time?"} | |
| {"query_id": 12046, "query": "Colors from a computer vs. colors from visible spectrum of sunlight"} | |
| {"query_id": 16885, "query": "Inertial frames of reference"} | |
| {"query_id": 73209, "query": "Is the total angular momentum of the universe zero?"} | |
| {"query_id": 106543, "query": "Why earth looks always flat when it is round"} | |
| {"query_id": 96562, "query": "interaction of mathematical structures (rephrased)"} | |
| {"query_id": 98980, "query": "The speed of light as it approaches a massive body"} | |
| {"query_id": 35139, "query": "What is the possibility of a railgun assisted orbital launch?"} | |
| {"query_id": 86528, "query": "How functions become operators in quantum mechanics?"} | |
| {"query_id": 24231, "query": "When Physicists thought neutrinos were faster than the speed of light"} | |
| {"query_id": 53602, "query": "What is movement through time?"} | |
| {"query_id": 12012, "query": "Is spacetime simply connected?"} | |
| {"query_id": 30922, "query": "What's the difference between Fermi Energy and Fermi Level?"} | |
| {"query_id": 38404, "query": "How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?"} | |
| {"query_id": 13349, "query": "Online lecture videos on QCD?"} | |
| {"query_id": 76726, "query": "If I travel close to the speed of light and come back, why is everyone else dead, and not me?"} | |
| {"query_id": 14436, "query": "How do you prove $S=-\\sum p\\ln p$?"} | |
| {"query_id": 52515, "query": "What is a natural movement of a ball on a upward curve (the two arrow lines pointing upward) given no external force?"} | |
| {"query_id": 17944, "query": "How does the Higgs mechanism work?"} | |
| {"query_id": 30909, "query": "Simulator for electrostatics"} | |
| {"query_id": 7112, "query": "Why do people still talk about bohmian mechanics/hidden variables"} | |
| {"query_id": 16620, "query": "Force on rope with accelerating mass on pulley"} | |
| {"query_id": 47104, "query": "What evidence is there for the Big Bang Theory?"} | |
| {"query_id": 129654, "query": "Antiparticles as \"holes\" of the quantum fields?"} | |
| {"query_id": 47105, "query": "Amplitude of an electromagnetic wave containing a single photon"} | |
| {"query_id": 48435, "query": "Quick introduction to electromagnetism / Maxwell's equations"} | |
| {"query_id": 74788, "query": "Can someone give an intuitive way of understanding why Gauss's law holds?"} | |
| {"query_id": 97886, "query": "Is powered delivered to an Incandescent light bulb changing with time?"} | |
| {"query_id": 75876, "query": "Effects of magnetic fields on our bodies"} | |
| {"query_id": 32096, "query": "What exactly is a kilogram-meter?"} | |
| {"query_id": 27753, "query": "Baryon asymmetry"} | |
| {"query_id": 66922, "query": "Quarks and anti-quarks forming particles"} | |
| {"query_id": 70186, "query": "Are Newton's \"laws\" of motion laws or definitions of force and mass?"} | |
| {"query_id": 94133, "query": "Acceleration reaches speed of light?"} | |
| {"query_id": 94132, "query": "Geodesic for Electromagnetic forces"} | |
| {"query_id": 95460, "query": "Why do springs have helical shapes? Why do we not use a cylindrical rod as a spring?"} | |
| {"query_id": 86517, "query": "Are there anti entropic agents"} | |
| {"query_id": 147, "query": "What are some useful ways to imagine the concept of spin as it relates to subatomic particles?"} | |
| {"query_id": 9526, "query": "Helicopter in an Elevator"} | |
| {"query_id": 129408, "query": "Can pressure in bars be equated to flow in litres per second?"} | |
| {"query_id": 16626, "query": "Are there any good audio recordings of educational physics material?"} | |
| {"query_id": 109636, "query": "Why are people weightless whilst in orbit around the Earth? ISS? Satellites?"} | |
| {"query_id": 64751, "query": "Derivation of the Biot-Savart Law"} | |
| {"query_id": 36440, "query": "What causes an electric shock - Current or Voltage?"} | |
| {"query_id": 37772, "query": "Why doesn't a fly fall off the wall?"} | |
| {"query_id": 29901, "query": "How is traveling back in time possible in theory according to some scientists?"} | |
| {"query_id": 63424, "query": "Energy needed to raise energy level of an atom?"} | |
| {"query_id": 111959, "query": "How can we know that a black hole exists?"} | |
| {"query_id": 391, "query": "Is anti-matter matter going backwards in time?"} | |
| {"query_id": 29903, "query": "Why do people recommend wider tyres in car for better road grip?"} | |
| {"query_id": 6271, "query": "Laws and theories"} | |
| {"query_id": 122841, "query": "Leg Press & Actual Lifted Weight"} | |
| {"query_id": 119441, "query": "Time dilation at the Big Bang"} | |
| {"query_id": 156, "query": "How are the northern lights produced?"} | |
| {"query_id": 61000, "query": "Phase shift of resonance"} | |
| {"query_id": 13325, "query": "What is the minimum amount of fissile mass required to acheive criticality?"} | |
| {"query_id": 135096, "query": "How a fan moves air?"} | |
| {"query_id": 104196, "query": "The sound when boiling water"} | |
| {"query_id": 96335, "query": "Can light be launched outwards from an event horizon?"} | |
| {"query_id": 128389, "query": "Physical reason why (hot) objects glow?"} | |
| {"query_id": 106378, "query": "Centrifugal force when there is no friction"} | |
| {"query_id": 98516, "query": "What is the nature of energy?"} | |
| {"query_id": 98758, "query": "Does a black hole singularity last essentially no intrinsic time?"} | |
| {"query_id": 73234, "query": "Nuclear Fission and Fusion"} | |
| {"query_id": 22046, "query": "Books for Condensed Matter Physics"} | |
| {"query_id": 110615, "query": "What does 1/k represent regarding Newtons Law of Cooling?"} | |
| {"query_id": 71292, "query": "Why does a cork float to the side of a glass?"} | |
| {"query_id": 119673, "query": "Can we use quantum entanglement as a way to send information or data?"} | |
| {"query_id": 11396, "query": "Can one do the maths of physics without using $\\sqrt{-1}$?"} | |
| {"query_id": 51213, "query": "How would it be to look at the sky if the earth were near the edge of the universe?"} | |
| {"query_id": 21194, "query": "Problem on nuclear physics radioactivity"} | |
| {"query_id": 83265, "query": "Explanation of photon reflection"} | |
| {"query_id": 52306, "query": "Calculation of torque for motor used in 4 wheel robot"} | |
| {"query_id": 107671, "query": "If 'pure energy' is photons, and energy is conserved, how can matter and antimatter (electrons and positrons) annihilate into photons and vice-versa?"} | |
| {"query_id": 109850, "query": "Was the mass of the universe the same when it first began as it is now?"} | |
| {"query_id": 105013, "query": "Could a super conductor actually be used to repel gravity?"} | |
| {"query_id": 131505, "query": "Universal speed limit"} | |
| {"query_id": 74333, "query": "Can the laws of classical mechanics be derived from quantum mechanics?"} | |
| {"query_id": 133924, "query": "What if there was a hole between earth poles"} | |
| {"query_id": 22010, "query": "The square in the Newton's law of universal gravitation is really a square?"} | |
| {"query_id": 22252, "query": "Resistor circuit that isn't parallel or series"} | |
| {"query_id": 52555, "query": "Does light reflect if incident at exactly the critical angle?"} | |
| {"query_id": 8248, "query": "Did the researchers at Fermilab find a fifth force?"} | |
| {"query_id": 37981, "query": "Is there a way to save electricity from lightning?"} | |
| {"query_id": 131758, "query": "Visualisation of formation of electromagnetic waves"} | |
| {"query_id": 63456, "query": "Does the slinky base stay perfectly level during the initial free fall"} | |
| {"query_id": 99865, "query": "What are direction ratios?"} | |
| {"query_id": 132602, "query": "The relationship between angular and linear momentum"} | |
| {"query_id": 23358, "query": "Hubble time, the age of the Universe and expansion rate"} | |
| {"query_id": 23118, "query": "Are we inside a black hole?"} | |
| {"query_id": 1601, "query": "Classical mechanics without coordinates book"} | |
| {"query_id": 129206, "query": "Why do physical bodies in the universe follow the law of physics ( or any rule/pattern ) ?"} | |
| {"query_id": 12463, "query": "Einstein's postulates <==> Minkowski space. In layman's terms"} | |
| {"query_id": 36412, "query": "What gives matter Gravitational Mass?"} | |
| {"query_id": 61031, "query": "If photons can be absorbed by electrons, wouldn't that mean light has a charge?"} | |
| {"query_id": 13557, "query": "History of interpretation of Newton's first law"} | |
| {"query_id": 87880, "query": "Isn't Dark Matter just an Indication that Relativity breaks down when describing large masses?"} | |
| {"query_id": 73825, "query": "The future of supersymmetry"} | |
| {"query_id": 131364, "query": "Why can microwave (in microwave oven) heat the food but wifi can't?"} | |
| {"query_id": 68234, "query": "Experimental study of the Photoelectric effect"} | |
| {"query_id": 68233, "query": "Electricity directly from heating a material"} | |
| {"query_id": 43859, "query": "Would it be possible to transmit information through gravitational waves?"} | |
| {"query_id": 28699, "query": "Superconductivity reasons (Intutitive)"} | |
| {"query_id": 193, "query": "Best books for mathematical background?"} | |
| {"query_id": 9340, "query": "Does the renormalization group apply to string theory?"} | |
| {"query_id": 105071, "query": "Can a gravitational field be diluted or shielded?"} | |
| {"query_id": 61845, "query": "Some basic questions about electric field & nucleus"} | |
| {"query_id": 110669, "query": "Is gravitational time dilation different from other forms of time dilation?"} | |
| {"query_id": 128196, "query": "Can statistical mechanics explain the second law completely?"} | |
| {"query_id": 198, "query": "Do current models of particle physics explain the chemical properties of elements/compounds?"} | |
| {"query_id": 79136, "query": "Buzzing/Vibration in body under power lines"} | |
| {"query_id": 71639, "query": "Is it possible for a photon to be at rest?"} | |
| {"query_id": 107023, "query": "Sum of independent errors"} | |
| {"query_id": 22923, "query": "Slit screen and wave-particle duality"} | |
| {"query_id": 39344, "query": "Helpful tutorials on force"} | |
| {"query_id": 18662, "query": "Why can't airplanes just keep going up?"} | |
| {"query_id": 72983, "query": "Optics of a rotated spectacle lens"} | |
| {"query_id": 41424, "query": "What does \"the ${\\bf N}$ of a group\" mean?"} | |
| {"query_id": 92571, "query": "Would Beetee's electrocution plan work and kill the tributes in the lake?"} | |
| {"query_id": 129030, "query": "Is gravitational acceleration less affected by relativistic mass increase?"} | |
| {"query_id": 20744, "query": "Stability of neutron"} | |
| {"query_id": 29794, "query": "Why are coordinates and velocities sufficient to completely determine the state and determine the subsequent motion of a mechanical system?"} | |
| {"query_id": 83866, "query": "Bathroom photons from the edge at the universe"} | |
| {"query_id": 122635, "query": "How can ice cubes contain gas bubbles?"} | |
| {"query_id": 60763, "query": "Can a dot of light travel faster than the speed of light?"} | |
| {"query_id": 31869, "query": "Designing a plausible faster than light drive: the Space Skip Drive"} | |
| {"query_id": 71649, "query": "Evidence that the Solar System is expanding like the Universe?"} | |
| {"query_id": 88077, "query": "Is the Higgs particle the final one predicted by the Standard Model?"} | |
| {"query_id": 9122, "query": "What is the difference between implicit and explicit time dependence e.g. $\\frac{\\partial \\rho}{\\partial t}$ and $\\frac{d \\rho} {dt}$?"} | |
| {"query_id": 108569, "query": "Does the unit of Inertia include radians?"} | |
| {"query_id": 110401, "query": "Number of planks required to stop the bullet"} | |
| {"query_id": 112820, "query": "Archimedes' principle: innacurate terminology?"} | |
| {"query_id": 133564, "query": "Why photon has a wave nature?"} | |
| {"query_id": 97812, "query": "Is the system of equations of electrostatics underdetermined or overdetermined?"} | |
| {"query_id": 38246, "query": "Formulas for compressibility of solids (physics)"} | |
| {"query_id": 72510, "query": "Pendulum period of different masses"} | |
| {"query_id": 29766, "query": "Why does photon have only two possible eigenvalues of helicity?"} | |
| {"query_id": 62711, "query": "What happens to things when things get crushed in a blackhole"} | |
| {"query_id": 2721, "query": "What is the symmetry which is responsible for preservation/conservation of electrical charges?"} | |
| {"query_id": 29523, "query": "Pressure of sealed in liquid nitrogen"} | |
| {"query_id": 121536, "query": "Is it possible to have a perfectly black material?"} | |
| {"query_id": 95864, "query": "What is the entropy of the universe today?"} | |
| {"query_id": 14044, "query": "Can superconducting magnets fly (or repel the earth's core)?"} | |
| {"query_id": 19970, "query": "Does the scientific community consider the Loschmidt paradox resolved? If so what is the resolution?"} | |
| {"query_id": 55190, "query": "Flushing water-Is it related to Coriolis force?"} | |
| {"query_id": 63811, "query": "Is the universe fundamentally deterministic?"} | |
| {"query_id": 128161, "query": "Why does light travel at the same speed when measured by a moving observer?"} | |
| {"query_id": 55195, "query": "Calculating a 2D collision between two perfectly circular disks"} | |
| {"query_id": 9371, "query": "Why would Antimatter behave differently via Gravity?"} | |
| {"query_id": 1888, "query": "Balloons and lifting gases"} | |
| {"query_id": 2974, "query": "If the earth left the solar system for interstellar space. How long would it take for atmosphere to freeze"} | |
| {"query_id": 57137, "query": "How soon that a force affect another object?"} | |
| {"query_id": 38236, "query": "Does the sign of $\\Delta x$ matter in this time dilation calculation?"} | |
| {"query_id": 69350, "query": "Drag force at high speeds"} | |
| {"query_id": 51838, "query": "Why do tuning forks have two prongs?"} | |
| {"query_id": 94567, "query": "Statistical Entropy and Information theory"} | |
| {"query_id": 9389, "query": "Good book about elementary particles for high school students?"} | |
| {"query_id": 67188, "query": "What is the \"Event Horizon\" of a black hole"} | |
| {"query_id": 72535, "query": "Are there any naturally occurring perfect circles?"} | |
| {"query_id": 95411, "query": "Photoelectric Effect, Why can't two quanta interact with an electron at the same time?"} | |
| {"query_id": 14255, "query": "Experimental evidence for parallel universes"} | |
| {"query_id": 70597, "query": "What is the required prerequisite knowledge of QM, for starting QFT?"} | |
| {"query_id": 26478, "query": "Can black holes actually merge?"} | |
| {"query_id": 27326, "query": "Uniqueness of eigenvector representation in a complete set of compatible observables"} | |
| {"query_id": 113973, "query": "Is it possible to create matter?"} | |
| {"query_id": 61643, "query": "Does more rain strike a vehicle while moving or while stopped (or neither)?"} | |
| {"query_id": 28417, "query": "Why does the light bulb's brightness decrease?"} | |
| {"query_id": 112406, "query": "Why the orbital angular momentum equal zero for electron in s state? does it mean that the electron doesn't orbiting in s"} | |
| {"query_id": 28895, "query": "Why is the sky not purple?"} | |
| {"query_id": 25145, "query": "Observing lunar lander and footprints on the moon?"} | |
| {"query_id": 46089, "query": "Elastic collision in two dimensions"} | |
| {"query_id": 67186, "query": "Why do Lagrangians and Hamiltonians give the equations of motion?"} | |
| {"query_id": 3833, "query": "Age of the Earth and the star that preceded the Sun"} | |
| {"query_id": 119284, "query": "Experimental proof of the principle of superposition in QM"} | |
| {"query_id": 111546, "query": "Can I measure a journey time < 100 years on a 100 light year voyage?"} | |
| {"query_id": 72549, "query": "Where does mass come from?"} | |
| {"query_id": 95889, "query": "Why do surfaces act like barriers for electrons?"} | |
| {"query_id": 68289, "query": "Is there anything smaller than a quark?"} | |
| {"query_id": 72788, "query": "Uncertainty and wave-trains"} | |
| {"query_id": 91286, "query": "Diffraction by a lens"} | |
| {"query_id": 113722, "query": "Can nuclear transmutation be observed in real time?"} | |
| {"query_id": 70123, "query": "Can a submerged place in the sea have huge air pockets?"} | |
| {"query_id": 111784, "query": "Is there any relationship between gauge field and spin connection?"} | |
| {"query_id": 57390, "query": "Validity of naively computing the de Broglie wavelength of a macroscopic object"} | |
| {"query_id": 16206, "query": "Why you need a graviton when you have the higgs boson?"} | |
| {"query_id": 103931, "query": "Does light color change when refracting?"} | |
| {"query_id": 31827, "query": "How does Annihilation work?"} | |
| {"query_id": 30732, "query": "How does the Higgs Boson gain mass itself?"} | |
| {"query_id": 81480, "query": "Why is the wave function complex?"} | |
| {"query_id": 112866, "query": "If I'm floating in space and I turn on a flashlight, will I accelerate?"} | |
| {"query_id": 111530, "query": "Would atmosphere of Jupiter blow up if I launched a atomic bomb there?"} | |
| {"query_id": 112629, "query": "Amateur's question on Black Holes"} | |
| {"query_id": 110207, "query": "While Space-man lives for 1 day, then how long does Earth-man live ? 1000 years or 1 second?"} | |
| {"query_id": 101725, "query": "The nature of the gravity force: Is it attractive or repulsive between positive and negative mass?"} | |
| {"query_id": 101727, "query": "How does displacement current come about?"} | |
| {"query_id": 123513, "query": "Doughnut magnet"} | |
| {"query_id": 60336, "query": "Facts About Quarks Electric Charge"} | |
| {"query_id": 82125, "query": "Is the universe immediately dependent upon the past?"} | |
| {"query_id": 16415, "query": "Conveyor scales modeling"} | |
| {"query_id": 13388, "query": "At what speed does our universe expand?"} | |
| {"query_id": 125938, "query": "I still don't understand how a gas with an equation of state f(T,p,V)=0 can change if 2 state functions are fixed?"} | |
| {"query_id": 4704, "query": "Black hole analog experiment?"} | |
| {"query_id": 131352, "query": "Why does a motor draw more current stopped or under load?"} | |
| {"query_id": 132440, "query": "If atoms have specific energy levels, why do opaque solids absorb all visible light, not just some?"} | |
| {"query_id": 70147, "query": "Why do cosmic bodies revolve?"} | |
| {"query_id": 47389, "query": "Does Bernoulli's principle hold in moving reference frames?"} | |
| {"query_id": 25378, "query": "How vacuous is intergalactic space?"} | |
| {"query_id": 28647, "query": "Why is matter drawn into a black hole condensed into a single point within the singularity?"} | |
| {"query_id": 132449, "query": "Why do we fall down when the bicycle slows down?"} | |
| {"query_id": 78095, "query": "As the earth rotates around itself, does this have any effect on the dynamics of flights?"} | |
| {"query_id": 8081, "query": "What happens to chemical compunds that include radioactive nuclei, when those decay?"} | |
| {"query_id": 122413, "query": "Help explain how direction change relates to acceleration"} | |
| {"query_id": 123743, "query": "Problem about entropy"} | |
| {"query_id": 1686, "query": "Why does the (relativistic) mass of an object increase when its speed approaches that of light?"} | |
| {"query_id": 1442, "query": "If time standard clocks and any memories about the time standard are destroyed, can we recover the time standard again?"} | |
| {"query_id": 1683, "query": "Mechanics around a rail tank wagon"} | |
| {"query_id": 82599, "query": "quantum mechanics and canonical conjugate"} | |
| {"query_id": 36498, "query": "How does the Hubble Redshift work?"} | |
| {"query_id": 13157, "query": "What is a field, really?"} | |
| {"query_id": 18602, "query": "What exactly is the 'observer' in physics and/or quantum mechanics?"} | |