dejerpha

Actually, that source claims it’s a string puzzle.

Maybe because the site is hard-coded for the US imperial system?

Quoting the article: «Bolts are commonly specified by their thread size (e.g. 1/4"-20), and their length. I'm looking for a 1/4"-20 x 1" bolt, meaning that the bolt's diameter is 1/4" and its length is 1", so I select these filters.»

The quote “a work is never finished, merely abandoned” originates from French author and poet Paul Valéry.

https://quoteinvestigator.com/2019/03/01/abandon/

Neutrinos don’t need to go around the earth, so in theory you have a pi/2 advantage over an EM signal when sending to an antipodal location, for instance. In practice of course, throughput is utterly horrible for the reason you indicate.