posted on Apr, 24 2012 @ 08:24 PM
reply to post by jiggerj
Light can slow down and speed up again.
This is a 1st year college or university lesson that ends up on quizzes.
With all the advanced science put to the high schools it probable doesn't
help or never covered. Light can't go through walls. Space has a gaseous
medium at the least. Light in glass slows down then goes out into the
air and speeds up. The proof is in an equation the encounters the density
of the medium. Some people say EM waves propagate in the vacuum of
space and others dismiss the EM formulation. The problem is that formulas
can be made to fool.
So the air to glass to air example thus shows the medium determines light speed.
So yes light can slow down and has been used to explain lots of things already.
Particles might go faster than light but light can't go faster than in the easiest medium.
The black hole is a quantum mechanical gas ball of neutrons or protons like the Sun
is of Hydrogen.
edit on 4/24/2012 by TeslaandLyne because: (no reason given)