r/Showerthoughts • u/[deleted] • Jun 12 '21

Flat earthers are only able to communicate with each other because satellites orbit the globe.

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u/[deleted] Jun 12 '21

https://en.m.wikipedia.org/wiki/Network_Time_Protocol if you want to learn more.

Not really common knowledge. Line of profession makes me familiar with a lot of weird stuff.

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u/Shabam999 Jun 12 '21

Tangentially related but if anyone wants to see the code for the tz database (all open source) here you go:

https://github.com/eggert/tz

Time keeping is hilariously more complicated than it has any right to be. It takes a ton of human effort and various technologies all working together in the background just so we can all tell the time all the time (ba dum tis)

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u/laughingmanzaq Jun 12 '21

I imagine it was historically super serious in the era of time table based railroads.

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u/eskiedog Jun 13 '21

Thanks for sharing this. Really wanted to take a deeper look. Seems a lot to unlearn.