xkcd #3295: Semaphore

xkcd #3295: Semaphore

Title text:

The speed of light in air is 50% faster than in fiber, but it's a challenge to get the arms to move fast enough to realize the latency advantage.

Transcript:

Transcript will show once it’s been added to explainxkcd.com

Source: https://xkcd.com/3295/

explainxkcd for #3295

210 points · 2 comments · view on lemmy.world

2 Comments

sbv@sh.itjust.works · 12 pts · 3d

worst air gap evar

mamg22@sh.itjust.works · 8 pts · 2d

Didn't get the semaphore part and thought those were fans with a wind speed sensor below, glad there's explainxkcd lol.

Using fans would make for a far worse connection than the one on the comic, at least that one is easily full duplex and somewhat free of interference.