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60763
Can a dot of light travel faster than the speed of light?
77525
Is spacetime all that exists?
28174
Are gravitomagnetic monopoles hypothesized?
55143
What would the effect be of a small black hole colliding with the earth?
51711
Why shouldn't the uncertainty principle be interpreted as an observer effect?
32699
How to explain $E=mc^2$ mass defect in fission/fusion
104196
The sound when boiling water
75385
What is Mathematical formulation of entropic Gravitational force?
29794
Why are coordinates and velocities sufficient to completely determine the state and determine the subsequent motion of a mechanical system?
15263
Neutrino unaffected by gravity
43406
What constitutes an observation/measurement in QM?
4704
Black hole analog experiment?
13557
History of interpretation of Newton's first law
87686
Will the moon really escape the Earth?
46639
Non-Degeneracy of Eigenvalues of Number Operator for Simple Harmonic Oscillator
7276
What combinations of realism, non-locality, and contextuality are ruled out in quantum theory?
54431
Can we make images of single atoms?
54437
Learning more about String theory
121717
Are gravitational waves transverse or longitudinal waves, or do they have unique/unknown properties?
56355
Antimatter in the universe
126296
What is the current state of research about the Hayden-Preskill circuit?
114483
Smolin on Cosmological selection and neutron stars
9526
Helicopter in an Elevator
90646
What is the relation between electromagnetic wave and photon?
2684
How do I calculate the (apparent) gravitational pull with General Relativity?
2687
Modern references for continuum mechanics
113722
Can nuclear transmutation be observed in real time?
71823
Is there a proof of existence of time?
68289
Is there anything smaller than a quark?
4731
Significance of the second focus in elliptical orbits
77282
Gauss's (Divergence) theorem in Classical Electrodynamics
22010
The square in the Newton's law of universal gravitation is really a square?
98459
The Achilles Paradox
104019
Special Relativity Textbooks Request
36303
Introduction to AdS/CFT
87376
Good and simple reference for studying about ADM mass
83866
Bathroom photons from the edge at the universe
7668
Fundamental question about dimensional analysis
86424
How did Newton find the relationship between force, mass and acceleration?
11194
Wind generators - why so few blades?
5613
Dark matter and dark energy references
5615
What happens when a black hole and an "anti-black-hole" collide?
93771
Understanding field representation of force
252
The Many Body problem
16725
Intuitively, what is the source term of the Einstein field equation?
100037
Do ideal gases at zero Kelvin have potential energy?
14865
What do physicists mean when they say "speed of light"?
94567
Statistical Entropy and Information theory
92245
Electromagnet emitting light
61031
If photons can be absorbed by electrons, wouldn't that mean light has a charge?
52837
When do I apply Significant figures in physics calculations?
57643
Dark energy and dark matter
2721
What is the symmetry which is responsible for preservation/conservation of electrical charges?
37981
Is there a way to save electricity from lightning?
19816
What is the meaning of speed of light $c$ in $E=mc^2$?
30353
Supersymmetry in Quantum Field Theory
91181
Angular Momentum of a rigid, extended object
66044
Why is light produced when an underwater bubble is collapsed with a sound wave?
130936
Why do the electron in Bohr's principal quantum levels or ground state do not emit radiation?
101727
How does displacement current come about?
101725
The nature of the gravity force: Is it attractive or repulsive between positive and negative mass?
130686
Why magnetic field generates around current carrying wire?
72510
Pendulum period of different masses
128161
Why does light travel at the same speed when measured by a moving observer?
44974
Calculating restorative force with Hooke's Law
28895
Why is the sky not purple?
16020
Air flow coming out of a fan feels much stronger than air flow coming in. Why?
121911
How to find equation of motion for this trajectory? - object leaves curved ramp at a given velocity
118988
If lead's electron configuration ends with 6p$^2$, shouldn't it be paramagnetic?
20333
Speed of a fly inside a car
129350
Does the order of variables matter for a quantum Lagrangian in the path integral formula for quantum mechanics?
67880
Why do metal objects in microwaves spark?
24827
If space is being doubled, how fast is it doubling?
27847
Why is there a $\frac 1 2$ in $\frac 1 2 mv^2$?
68512
Evidence for expansion of space
12169
Detection of the Electric Charge of a Black Hole
87880
Isn't Dark Matter just an Indication that Relativity breaks down when describing large masses?
130767
Beginner question: timelessness of massless particles
6271
Laws and theories
80872
Newtons Cradle, Collision Theory
17944
How does the Higgs mechanism work?
14362
Help Me Gain an Intuitive Understanding of Lorentz Contraction
110736
About the speed of light and gravity
65584
What happens when non-equal voltages are put in parallel?
10470
How does water evaporate if it doesn't boil?
53663
Learning roadmap for solid state physics
112629
Amateur's question on Black Holes
22803
Is acceleration relative?
72788
Uncertainty and wave-trains
60899
The paradoxical nature of Hawking radiation
63811
Is the universe fundamentally deterministic?
36167
Does juggling balls reduce the total weight of the juggler and balls?
127940
Jump from a falling object
13349
Online lecture videos on QCD?
44193
What would happen to a person that was inside the Large Hadron Collider when it is turned on?
80932
Are free electrons in a metal really free
335
Is electricity instantaneous?
96562
interaction of mathematical structures (rephrased)
9449
Video lectures on graduate level Classical Electrodynamics
105833
Is rigorous functional analysis useful for theoretical physics?