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Randall Munroe of XKCD had an interesting write-up on this question a few years ago: https://what-if.xkcd.com/69/ https://what-if.xkcd.com/69/
by skykooler 8y ago
Randall Munroe of XKCD had an interesting write-up on this question a few years ago: https://what-if.xkcd.com/69/ https://what-if.xkcd.com/69/