c is the constant for the speed of light or 299792.5 km/s 186282 statute mi/s At 08:46 AM 9/15/97 -0400, Susan R. Harris wrote:

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Photons propagate at 0.65c in fibre - the exact speed does vary depending on whether its single or multimode fibre.

Hi Geoff - not to reveal my ignorance or anything, but ... is that 65 degrees celcius?

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The equivalent EMR propagation speed in coppr is 0.75c

What is EMR?

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