_id stringlengths 1 6 | text stringlengths 15 149 | title stringclasses 1
value |
|---|---|---|
102477 | Physical interpretation of Fermi golden rule? | |
71901 | Why aren't superconductors shiny? | |
113749 | Is there experimental evidence that massless particles such as photons attract massive objects? | |
68940 | Virtual photons, what makes them virtual? | |
78500 | Linearized equations | |
78508 | Why does Quantum Field Theory use Lagrangians rather than Hamiltonains? | |
92454 | Guinier regime for form factor | |
28647 | Why is matter drawn into a black hole condensed into a single point within the singularity? | |
77741 | Why don't photons crash into each other occasionally? Or do they? | |
83070 | What's the shear rate in a turbulent flow? | |
38246 | Formulas for compressibility of solids (physics) | |
31326 | Is a hard drive heavier when it is full? | |
41937 | Non-linear dynamics of classical hydrogen atom | |
118900 | Question about Hubble's Law - expansion vs receding velocity | |
103641 | Very specific type of GR paper hunt | |
55760 | What are the implications if Supersting theory is discredited? | |
52008 | Does light accelerate or slow down during reflection? | |
25110 | Why are orbits elliptical? | |
57181 | What are the potential technological advances that the discovery of the Higgs boson may unlock? | |
53356 | Reference on Chern-Simons theory | |
68599 | What sets a "Law" apart from a "Rule" or a "Principle"? | |
3833 | Age of the Earth and the star that preceded the Sun | |
109060 | Is cosmic background radiation absolute | |
6147 | Time Dilation - How does it know which Frame of Reference to age slower? | |
7063 | What actually happens when an anti-matter projectile collides with matter? | |
69679 | Can solar furnace achieve higher temperature than sun surface? | |
60336 | Facts About Quarks Electric Charge | |
69350 | Drag force at high speeds | |
80777 | Shifting the energy reference level | |
9340 | Does the renormalization group apply to string theory? | |
68757 | Why do neutrinos propagate in a mass eigenstate? | |
44351 | Why are we not using thorium for energy? | |
62222 | Cancelling special & general relativistic effects | |
35139 | What is the possibility of a railgun assisted orbital launch? | |
13851 | Can you split a photon? | |
25637 | How to correct flares and sharply focus on my telescope when viewing planets. | |
65339 | How & Why does accelerating charges radiate electromagnetic radiation? | |
104423 | Calculating impact velocity and time with non-uniform acceleration | |
30198 | How to bend light? | |
107614 | Why "Dark Energy" is called energy instead of force? | |
132440 | If atoms have specific energy levels, why do opaque solids absorb all visible light, not just some? | |
132449 | Why do we fall down when the bicycle slows down? | |
135145 | Change in momentum | |
45247 | Trying to understand the tension in a spring with two weights attached | |
70200 | Why electrons can't radiate in their atoms' orbits? | |
123857 | Mathematical calculation of probability of existence of planet similar to earth | |
46180 | Can a deformable object "swim" in curved space-time? | |
120191 | How much wind does it take to tip a sign over? | |
60699 | High Frequency Active Auroral Research Program (HAARP) And Earthquake Myth or Reality? | |
122841 | Leg Press & Actual Lifted Weight | |
24359 | Why do objects follow geodesics in spacetime? | |
61643 | Does more rain strike a vehicle while moving or while stopped (or neither)? | |
110401 | Number of planks required to stop the bullet | |
55698 | What is the role of center-tapping in a full wave rectifier? | |
98714 | How are symmetries precisely defined? | |
119083 | Exeeding the speed of light by adding velocities | |
14044 | Can superconducting magnets fly (or repel the earth's core)? | |
3264 | Thermal radiation spectrum of a blackbody | |
77867 | Extra dimensions and the big bang | |
31869 | Designing a plausible faster than light drive: the Space Skip Drive | |
113523 | Sign convention for mirror and lens formulas | |
70439 | How occurs the enantiomorph of the mirror? | |
1051 | conversion of information to energy | |
10870 | Calculating position in space assuming general relativity | |
61845 | Some basic questions about electric field & nucleus | |
102222 | How does a half-life work? | |
113660 | Infinities in Newtons law of gravity (for point particles) | |
62711 | What happens to things when things get crushed in a blackhole | |
661 | Is it possible to blur an image in such way that a person with sight problems could see it sharp? | |
91797 | 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? | |
27326 | Uniqueness of eigenvector representation in a complete set of compatible observables | |
75002 | Travel duration from Earth to a star at 9.8 m/s² acceleration | |
71589 | Is it possible for a planet to be made entirely of water (even it's core)? | |
39253 | Is it possible for one black hole to pull an object out of another black hole? | |
119935 | Maximum helicopter height | |
58122 | Why work to change velocity from 0 to 20 km/h is less then from 20 to 40? | |
123743 | Problem about entropy | |
95053 | Radiation– white vs black house, hot or cool? | |
22542 | Measuring extra-dimensions | |
117205 | How does the evolution of a solar system not break the second law of thermodynamics? | |
107563 | What's the proof that the polarization occur s to the electric field of the light? | |
107561 | Dependence of Force as a function of Distance? | |
105875 | Blackbody radiation and Spectral Lines | |
83101 | Expansion of a function | |
44882 | What are good books for graduates/undergraduates in Astrophysics? | |
9708 | Is fire matter or energy? | |
111530 | Would atmosphere of Jupiter blow up if I launched a atomic bomb there? | |
45545 | Relativistic Hamiltonian Formulations | |
97886 | Is powered delivered to an Incandescent light bulb changing with time? | |
36440 | What causes an electric shock - Current or Voltage? | |
114887 | Hubble time and its derivation? | |
9 | Hamilton's Principle | |
87976 | Direction of friction when a car turns | |
134378 | Do we weigh less in the morning? | |
134370 | Expanding universe space through matter or matter through space? | |
134081 | Why graviton is spin 2 instead of spin 1? | |
70123 | Can a submerged place in the sea have huge air pockets? | |
71292 | Why does a cork float to the side of a glass? | |
41573 | From how deep into space can a human "skydive" back to earth? | |
119441 | Time dilation at the Big Bang |
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