_id stringlengths 1 6 | text stringlengths 15 149 | title stringclasses 1
value |
|---|---|---|
21319 | How can anything ever fall into a black hole as seen from an outside observer? | |
56973 | Why does the speed of light $c$ have the value it does? | |
62637 | The potential and the intensity of the gravitational field in the axis of a circular plate | |
55091 | How small are the smallest black holes? | |
100251 | Linear Algebra For Physicists (Book Recommendations) | |
4453 | How could spacetime become discretised at the Planck scale? | |
39654 | Paradox with Gauss' law when space is uniformly charged everywhere | |
133093 | What formula connects the moment of inertia and angular velocity? | |
133096 | Expanding universe and the speed of light | |
47941 | Dumbed-down explanation how scientists know the number of atoms in the universe? | |
82874 | Torque direction meaning | |
39131 | Light orbiting a massive body | |
16626 | Are there any good audio recordings of educational physics material? | |
16620 | Force on rope with accelerating mass on pulley | |
12756 | A flying fly inside a sealed box on a scale | |
21487 | Train crash: are these situations alike? | |
54317 | In what limit does string theory reproduce general relativity? | |
13157 | What is a field, really? | |
44509 | Photon energy - momentum in matter | |
1343 | Why does dust stick to rotating fan propeller? | |
8379 | Do Hydrinos Exist? | |
119673 | Can we use quantum entanglement as a way to send information or data? | |
32501 | Many-worlds: how often is the split how many are the universes? (And how do you model this mathematically.) | |
98027 | What is the universe 'expanding' into? | |
75363 | How is the Schroedinger equation a wave equation? | |
110330 | Do oceans produce the cosmic microwave background? | |
116657 | Force applied on the ground | |
106378 | Centrifugal force when there is no friction | |
52062 | Is it possible to speed up radioactive decay rates? | |
24841 | Geocentric Model in General Relativity | |
105483 | Reducing the Tsunami impact using Nuclear bombs | |
80433 | Derivation of Newton-Euler equations of motion | |
113973 | Is it possible to create matter? | |
68573 | Two balls falling one above the other | |
109957 | How does Einstein got equivalent mass - energy equation E=mc2? | |
35313 | How does a treadmill incline mechanism work? | |
87829 | How Can There Be Magnetic Force Without Velocity | |
92747 | How can a proton be converted to a neutron via positron emission and yet gain mass? | |
87715 | Voltage in a short circuit system | |
92662 | Is everyone seeing the same color as I see? | |
73528 | Singularity in a black hole | |
134199 | Why is uncertainty $\geq {\hbar}/{2} $ | |
38404 | How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that? | |
78827 | What are those characteristics by which every sound can be identified uniquely? | |
18602 | What exactly is the 'observer' in physics and/or quantum mechanics? | |
133924 | What if there was a hole between earth poles | |
126504 | When they say that the universe cooled after the big bang, where did the heat go? | |
26478 | Can black holes actually merge? | |
81779 | how does an electric field comes inside a conducting wire inside the circuit? | |
107919 | galaxies fading away after time | |
53602 | What is movement through time? | |
21721 | What is the proof that the universal constants ($G$, $\hbar$, $\ldots$) are really constant in time and space? | |
49940 | What exists in the Space between atoms | |
68112 | Formula for Symmetry Factor | |
45067 | Momentum as Generator of Translations | |
2860 | How does electron move around nucleus? | |
68898 | Is it possible to generate usable electricity from the motion or magnetic field of the Earth? | |
24231 | When Physicists thought neutrinos were faster than the speed of light | |
28699 | Superconductivity reasons (Intutitive) | |
76726 | If I travel close to the speed of light and come back, why is everyone else dead, and not me? | |
67746 | Why two balls of different mass dropped from the same height falls the ground at the same time? | |
126264 | On becoming theoretical physicist | |
51295 | Different perspective in Quantum mechanics | |
60830 | Why isn't temperature measured in Joules? | |
96010 | What is difference between Inertial mass and gravitational mass | |
2051 | Why do we think there are only three generations of fundamental particles? | |
2056 | Why is it that using cell phone can invite lighting strike? | |
134979 | Does gravity weaken by the square of the distance because the energy is dispersed over the square of the distance | |
83265 | Explanation of photon reflection | |
108924 | Chemical potential of photons | |
71639 | Is it possible for a photon to be at rest? | |
76367 | Water coolso object by heat absorption | |
107671 | If 'pure energy' is photons, and energy is conserved, how can matter and antimatter (electrons and positrons) annihilate into photons and vice-versa? | |
33998 | Why is it that protons and electrons have exactly the same but opposite charge? | |
39344 | Helpful tutorials on force | |
108212 | What's the relationship between $SL(2,\mathbb{C})$, $SU(2)\times SU(2)$ and $SO(1,3)$? | |
108214 | Applications of low-dimensional topology to physics | |
86345 | Intuitive understanding of centripetal vs. centrifugal force | |
119284 | Experimental proof of the principle of superposition in QM | |
6682 | Software for geometrical optics | |
10163 | Special Relativity and time | |
10161 | Is there a good chance that gravitational waves will be detected in the next years? | |
44130 | What are the properties and characteristics of a single Quantum? | |
1601 | Classical mechanics without coordinates book | |
94819 | Because position is relative, is it possible to see a star orbiting a planet? | |
94812 | How are the triangular Lagrange points in a Three body Problem stable, yet having a higher effective potential? | |
29901 | How is traveling back in time possible in theory according to some scientists? | |
29903 | Why do people recommend wider tyres in car for better road grip? | |
51908 | Why aren't gas planets and stars fuzzy? | |
43023 | Why does the moon look bigger at the horizon? | |
90908 | Could Dark Matter form black hole? | |
45743 | Ice skater increase of energy | |
113548 | Active noise cancellation technology measurements | |
127616 | How should a math undergrad student prepare himself to study GR and QM? | |
37966 | Reaching the speed of light, rockets | |
127538 | Are there any applications of elementary number theory to science? | |
92293 | Gravity from energy | |
73114 | Space expanding, or light slowing down? | |
46933 | What's the most efficient way to study physics? | |
75876 | Effects of magnetic fields on our bodies |
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