Science Memes

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It's the law! (mander.xyz)

submitted 1 week ago by [email protected] to c/[email protected]

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[–] [email protected] 9 points 1 week ago* (last edited 1 week ago) (3 children)

Send it through the earth, you can reduce it theoretically to 42.5ms (using mean radius and speed of light in vacuum).

[–] [email protected] 5 points 1 week ago

Oh, good point, I recently learned that the speed of light in fiber optics is around 200000 km/s. I always thought physicists were saying "in vacuum" to be technically correct, but that's actually a huge difference...

https://en.wikipedia.org/wiki/Optical_fiber#Refractive_index

[–] [email protected] 3 points 1 week ago* (last edited 1 week ago)

Send it through the earth, you can reduce it theoretically to 42.5ms

This isn't as ridiculous as it sounds and you just need a neutrino-beam... which has a horrible bandwidth (of 0.1 bits/s) plus the ridiculous upfront cost of running two particle-accelerators for a full-duplex link. (Google it up, this exists.)

[–] [email protected] 1 points 1 week ago

Unfortunately you then get the low bandwidth of the frequencies that can penetrate that much ground