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5 answers

Lorentz Invariance forbids it. The Scharnhorst effect - transluminal propagation by altering the permittivity and permeability of the vacuum,

http://arXiv.org/abs/gr-qc/0107091
http://arXiv.org/abs/quant-ph/0010055
Phys. Lett. B236 354 (1990)
Phys. Lett. B250 133 (1990)
J Phys A26 2037 (1993)

has never been demonstrated.

2007-05-28 07:59:10 · answer #1 · answered by Uncle Al 5 · 0 0

We can accelerate it by having it move past a massive object. Since space is curved here, by definition any change in speed and/or direction is a change in acceleration. To "inhibit" means to prevent or slow progress. If a photon is moving through glass, then it is moving at the speed of light in glass. When it exits, it will speed up. Therefore it is moving faster than the speed of light (in glass). Also, you are trying to ask if a photon can move faster than a photon. Well, can a car move faster than a car?

2007-05-28 14:48:02 · answer #2 · answered by Bruce D 4 · 0 1

nothing can move faster than light through a vacuum, although it's a simple matter to slow light down, as when a photon travels through material objects....such a slowdown of light produces what is known as cerenkov radiation.

2007-05-28 14:09:51 · answer #3 · answered by Anonymous · 0 0

well light is not the only thing that can move at the speed of light.
most other thing that have the energy to move other things we cant see such as dark matter. So basically a black hole or any other kind of dark matter, interdimensional portal of imense dense object etc. or anything we cant see b/c of the absorbtion of light can "suck" a photon or waves of light that is close enough to high speeds over the speed of light eventually to be destroyed

2007-05-28 13:55:05 · answer #4 · answered by Dershil P 1 · 0 2

Nothing in this dimension travels faster than the speed of light.

2007-05-28 15:08:51 · answer #5 · answered by JOHNNIE B 7 · 0 0

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