We can guess what intergalactic war would look like. And strangely, it matters. by 80000_Hours

By Robert Wiblin | Watch on Youtube | Listen on Spo­tify | Read transcriptIn­ter­galac­tic war is prob­a­bly billions of years away — yet physics can already tell us how it ends. And strangely that con­clu­sion is rele­vant to de­ci­sions peo­ple have to make to­day.In this video, Rob Wiblin walks through a fas­ci­nat­ing anal­y­sis from re­searcher Beren Millidge that uses known physics — no worm­holes or faster-than-light travel — to iden­tify the only three weapons that could work at an in­te...