Faster Than Light

The speed of light isn't relative to anything. It's concrete. It's the speed of light.

But doesn't light always travel 300,000 m/s (approx. of course) relative to you, no matter what velocity you may be traveling at? Don't know if that's right, just thought I heard that somewhere.

The speed of light is not relative to anything. It always goes the speed of light.

Electrons can travel faster than the speed of light in some media.

Yet only in some media. They usually travel around 99.9...% of light.


Wow...it's amazing what a simple google search for "speed of elctrons" comes up with...quite a lot of Einstein references...and some weird experiments to do with electrons in electrical fields and the like...

And then a search for "speed of light"...wow...I could spend days reading all this stuff...

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MJ, read this: http://www.zamandayolculuk.com/cetin...travelvill.htm

It talks all about wormholoes, and contians the thing I think you're talking about with the baseball (two people hold a sheet and place a baseball in the middle which causes the sheet to curve at that point??).

Interesting reading.

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Anyone ever heard of Kerr holes (rotating black holes)?? http://www.zamandayolculuk.com/cetin...travelvill.htm Mentioned on the same site.

MJ, read this:

Thanks, Lenny. Intresting read.

The speed of light is not relative to anything. It always goes the speed of light.

Okay, so let me ask another question: If you're traveling at 299,999 km/s, how fast does light seem to be traveling behind you? (assuming that light travels at 300,000 km/s)

If you're travelling at just under the speed of light, then light travels past you like a slow moving vehicle. You won't notice a change however, because almost all light sources are constant, so it'll still be a solid beam of light. You would see head or the tail the beam of light moving slowly if it were switched on or off respectively (like with a flashlight).

If you're travelling at just under the speed of light, then light travels past you like a slow moving vehicle. You won't notice a change however, because almost all light sources are constant, so it'll still be a solid beam of light. You would see head or the tail the beam of light moving slowly if it were switched on or off respectively (like with a flashlight).

Again, I may be misinterpreting this, but doesn't the Speed of Light Postulate state that the speed of light in a vaccum has the same value in all inertial reference frames, meaning that light would travel 3*10^8 m/s regardless of how fast you were moving.

Before you reach the speed of light in vacuum, matter becomes energy. At the speed of light in vacuum, the kinetic energy requirements for any mass are infinite. Any velocity above the exact* speed of light in vacuum (299,792,458 m/s) results in an imaginary kinetic energy.

* http://education.guardian.co.uk/egwe...144235,00.html

www.google.com

OMG noobs, if you want answers, first google. Duh. Even Chruser knew how to copy and paste a website. Jeez.



You noobing fucks.

MJ is right. Light always travels at c (300,000 m/s) relative to the observer.