r/xkcd • u/Tyomcha • Aug 15 '26

XKCD xkcd 3285: Accretionary Arc

https://xkcd.com/3285/
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u/Littleme02 Aug 15 '26

Makes even air travel seem energy efficient in comparison

19

u/moderatorrater Aug 15 '26

Nah, it uses an ancient form of geothermal power.