How is the behaviour of an atom particles as the atom approaches the speed of light?
137951
What changes occur while an atom approches the speed of light?
2754
Why and how is the speed of light in vacuum constant, i.e., independent of reference frame?
37345
Why can't massless particle exceed speed of light?
15767
Can a free particle absorb/emit photons?
28488
I am confused about the idea that the speed of light is independent of the speed of the source of light
22118
If all motion is relative, how does light have a finite speed?
19918
What would the collision of two photons look like?
7618
What is the speed of light relative to?
65973
How are classical optics phenomena explained in QED (Snell's law)?
60471
Electron shells in atoms: What causes them to exist as they do?
89837
Speed of light when accelerating
8048
How does one account for the momentum of an absorbed photon?
22402
If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?
137260
How is quantum mechanics compatible with the speed of light limit?
41041
Does a photon instantaneously gain $c$ speed when emitted from an electron?
96657
The speed of light as it approaches a massive body
158808
Do photons have relativistic mass?