15 Sep
1997
15 Sep
'97
8:46 a.m.
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?
The equivalent EMR propagation speed in coppr is 0.75c
What is EMR?