Chris, Of course I do.
-mel > On Jul 21, 2024, at 8:55 AM, Chris Adams <c...@cmadams.net> wrote: > > Once upon a time, Mel Beckman <m...@beckman.org> said: >> Because the speed of light is different in different mediums. It depends on >> the index of refraction. Most of the Internet is on fiber optics, and the >> speed of light in glass fiber is dramatically slower than in a vacuum. Long >> distance single-mode communication fiber typically has a core index of >> refraction of 1.4682 at 1550nm (mid-C-band). So the speed of light in this >> type of fiber is the speed of light in a vacuum 299,792,458 m/s divided by >> 1.4682 = 204,190,477 m/s. You have to add to that the latency of any optical >> to electrical transformations, which happens in most every router or switch. >> Three days is probably an underestimate. > > Uh, you do know that Voyager isn't unspooling fiber as it goes, right? > > -- > Chris Adams <c...@cmadams.net>
