nanog mailing list archives
Re: Semi-on-topic: Light that travels faster than the speed of light?
From: "Jay R. Ashworth" <jra () baylink com>
Date: Fri, 26 Aug 2005 10:44:47 -0400
On Mon, Aug 22, 2005 at 01:31:36PM -0600, Steve Meuse wrote:
On 8/21/05, Peter Dambier <[1]peter () peter-dambier de> wrote: I have had a look into one of my microwave books. I have seen in coax cables the speed of lite drop to 90% or 80% depending on the insulator, the dielectric. I believe this is referred to as "velocity factor".
Not the speed of light; the speed at which the electromagnetic wavefront travels through *that* conductor. Yep; this is velocity factor. It can go down surprisingly far. Cheers, -- jra -- Jay R. Ashworth jra () baylink com Designer +-Internetworking------+----------+ RFC 2100 Ashworth & Associates | Best Practices Wiki | | '87 e24 St Petersburg FL USA http://bestpractices.wikicities.com +1 727 647 1274 If you can read this... thank a system administrator. Or two. --me
Current thread:
- Semi-on-topic: Light that travels faster than the speed of light? Fergie (Paul Ferguson) (Aug 20)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Hank Nussbacher (Aug 20)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Peter Dambier (Aug 21)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Steve Brown (Aug 21)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Steve Brown (Aug 21)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Peter Dambier (Aug 21)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Steve Meuse (Aug 22)
- Message not available
- Re: Semi-on-topic: Light that travels faster than the speed of light? Jay R. Ashworth (Aug 26)
- Re: Semi-on-topic: Light that travels faster than the speed of light? Hank Nussbacher (Aug 20)
- <Possible follow-ups>
- RE: Semi-on-topic: Light that travels faster than the speed of light? Buhrmaster, Gary (Aug 20)
- RE: Semi-on-topic: Light that travels faster than the speed of light? Fergie (Paul Ferguson) (Aug 20)