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Nov
25
answered A true singularity at $t=0$, coordinate independent Big Bang
Nov
24
answered Gravitational Time Dilation Formula?
Nov
22
answered What is the most agreed upon quantum mechanical equation of motion?
Nov
22
answered Confused about equations for the Big Bang in general relativity ad loop quantum gravity?
Nov
21
answered Quantum explanation of Newton's Third Law of Motion
Nov
18
answered Movie Interstellar - Question about Escape Velocity
Nov
17
answered Time Dilation Experiment
Nov
17
answered The virtual particles are only a fictive tool in equations? DO they exist or DON'T? And if they exist, why do we call them VIRTUAL?
Oct
23
answered Having trouble understanding some stuff about delta functions
Oct
13
answered Transformation to a uniformly rotating frame
Oct
11
answered What is the cause of gravitional force of attraction?
Sep
23
answered Special relativity; rocket moving towards a mirror
Jun
12
answered What is the physical importance of current density?
May
6
answered Chasing a photon
Dec
28
answered What does this summation mean in relativity?
Aug
15
answered Why is there a factor of $4\pi$ in certain force equations?
May
27
answered Can one of Newton's Laws of motion be derived from other Newton's Laws of motion?
May
5
answered QED photon propagator to one-loop order gets different answers
Apr
20
answered Transforming an equation to the co-vector version
Apr
19
answered proper variation of action term