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Lumifer comments on Crazy Ideas Thread - Less Wrong Discussion

22 Post author: Gunnar_Zarncke 07 July 2015 09:40PM

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Comment author: Lumifer 08 July 2015 04:13:57PM 1 point [-]

Both your barrel and your payload need to be able to survive being at the epicenter of a nuclear explosion. Spitting jets of molten metal into space isn't particularly useful.