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Re: Doppler and Light Speed

> 5. When you travel faster than the speed of light, you get a light boom. You
> can make these in the lab :)

The blue flash of Cerenkov radiation...its what you get when you
accelerate a particle past the speed of light in a medium.

So far, you can't exceed the speed of light in a vacuum, but you can
exceed the speed of light in any other medium.

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