Reply-To: "Kevin Aylward"
From: "Kevin Aylward"
Subject: Re: Transmission line fun--re:"who thinks this?"
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Date: Sat, 2 Nov 2002 19:23:05 -0000
NNTP-Posting-Date: Sat, 02 Nov 2002 19:23:11 GMT
"Chris Carlen" wrote in message
> Hi folks:
> At this point I encountered the remarkable result, since I figured I
> wanted to know the propagation velocity of this line to be able to
> about real lengths in meters, instead of wavelengths, that:
> Propagation velocity of my line = 2*10^9 m/s !!!
> I have invented a cable in which the propagation velocity is *greater*
> than the speed of light in a vacuum.
> May I have my Nobel Prize now please??? :-D
> Of course what is really funny here, is the thought that there are
> poor souls out there who might think that this is a valid result, and
> that some physical configuration of cable might be realized which
> indeed provide the requisite values of L and C to make this so.
> Of course this is preposterous, but it was an amusing side trip during
> my contemplation of the original matter...
If you actually calculate the inductance and capacitance of cables from
EM theory, you find that physics indeed conspire to prevent this
happening. You simple cant chose the inductance and capacitance
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