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[Ronbo]

Actually that was cast in doubt by a recent experiment. (light being particle flow) Light travels in "waves". Look for references to the "double aperture" experiment. (the results blew away a lot of what were thought to be facts about light)

Light is a very odd thing, it behaves like nothing else and seems to constantly defy attempts to write rules for it's behavior. Something very magical about that perticular chunk of the electro-magnetic specrtum. (if it even really is part of the spectrum)

For example gravity has yet to be proven to have any effect on electro-magnetic waves. Cosmic radiation zips right through anything, possibly even black holes.

What's really freaky are those "blasts" of cosmic radiation that devistate everything in their path for millions of light-years. These were discovered a few years ago. Good thing is we'd never know what hit us if the Earth was in the path of one.

[bomelia]

Weird things aside, the speed of light is specified as measured in a vacuum. Light slows down in denser mediums (like water) thus giving rise to the phenomena known as refraction.

Mike

[Wes Tausend]

Originally Posted by Ronbo

Actually that was cast in doubt by a recent experiment. (light being particle flow) Light travels in "waves". Look for references to the "double aperture" experiment. (the results blew away a lot of what were thought to be facts about light)

Light is a very odd thing, it behaves like nothing else and seems to constantly defy attempts to write rules for it's behavior. Something very magical about that perticular chunk of the electro-magnetic specrtum. (if it even really is part of the spectrum)

For example gravity has yet to be proven to have any effect on electro-magnetic waves. Cosmic radiation zips right through anything, possibly even black holes.

What's really freaky are those "blasts" of cosmic radiation that devistate everything in their path for millions of light-years. These were discovered a few years ago. Good thing is we'd never know what hit us if the Earth was in the path of one.

I don't think quite true, Ron. I believe light is considered to be both an electro-magnetic wave as well as a particle (wavicle ) and it is certainly bent by gravity. That was pivotal in Einstein's General Theory assertion that gravity is an acceleration. Of course the General Theory still has some loose ends.

And max light speed occurs in a vacuum. In all other instances, it is slower. I think Mike is correct.

Wes

...

[Ronbo]

It's not the particles themselves that slow down. (they always travel at the speed of light) It's the way they travel, kinda like a zig-zag. Electricity does the same thing. BTW the referance to a CRT is wrong the deflection coils re-direct an electron beam which hits phosphorus on the tube face which then generates light. Magnetisum has no proven effect on light. Gravity which is a displacement of space can alter the path of light but can neither slow or speed up it's travel. At least as far as the particles are concerned, The "wave" is what is effected. (if this makes sense)

Wavicle is right. I'll have to see if I can find an online article about the apature experiment.

Problem is we're talking about theories, built on top of other theories. Then something comes along disproving a core theory which means everything built on it is now in question.

I have a theory if I keep talking about this I'll get a headache.