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Re: Light may break its own speed limit

From: Donald Hosford <Hosford.Donald@A...>
Date: Thu, 20 Jul 2000 23:07:48 -0400
Subject: Re: Light may break its own speed limit

It ought to be interesting to find out what was really happening.  This
could
make computers really fast.

Donald Hosford

Tony Christney wrote:

>
> However, they also say that a light pulse of identical shape
> to the incoming pulse exited the chamber, so, it would seem that
> the information regarding the shape of the transmit pulse is
> being transmitted faster than light. It has been known for a
> while that information can travel faster than light, by the
> mechanism of quantum entanglement. This experiment would seem
> to be of more practical import, however.
>
> It is important to note that special relativity is not necessarily
> being violated. SR makes statements regarding the speed in light
> in vacuo (to use Einstein's vocabulary.) It is an interesting
> feat to make light travel faster than it does in vacuo nonetheless.
> It would have to involve some interesting values for the magnetic
> permeability and di-electric permittivity, for example. The
> mention of decreased intensity may indicate that one of them is
> negative, for instance. There is no physical law preventing this,
> as far as I know.
>
> Still an interesting development!
>
> Cheers,
> Tony Christney

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