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Re: Semi-on-topic: Light that travels faster than the speed oflight?

  • From: Hank Nussbacher
  • Date: Sat Aug 20 14:28:52 2005

On Sat, 20 Aug 2005, Fergie (Paul Ferguson) wrote:

I doubt they are exceeding the speed of light.  Propogation delay inside
fiber is about 2/3 the speed of light so perhaps they have succeeded to
increase the speed to 3/4? :-)


> Man, I knew I should've gotten in on the ground floor in
>  any effort to speed up light -- someone's going to be
> rich beyond their wildest dreams. :-)
> (Thanks to a post over at Slashdot) the Science Blog
> reports that:
> [snip]
> A team of researchers from the Ecole Polytechnique Fédérale de Lausanne (EPFL) has successfully demonstrated, for the first time, that it is possible to control the speed of light – both slowing it down and speeding it up – in an optical fiber, using off-the-shelf instrumentation in normal environmental conditions. Their results, to be published in the August 22 issue of Applied Physics Letters, could have implications that range from optical computing to the fiber-optic telecommunications industry.
> [snip]
> - ferg
> --
> "Fergie", a.k.a. Paul Ferguson
>  Engineering Architecture for the Internet
> or
>  ferg's tech blog:

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