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Jan 12, 2017 at 7:37 comment added JDługosz Elements 113 through 118 have official names now! It would be cool to edit the post to use them rather than the placeholder names. But the problem is that these all have very short half lives. The most stable isotope of Nihonium has a half life of 8 seconds.
Apr 30, 2015 at 17:53 comment added jamesqf @eharper256: But if you somehow loaded your ship with them at Tau Ceti, they would decay before you got them back to Earth :-)
Apr 30, 2015 at 16:07 comment added eharper256 Indeed, thats why if they were somehow naturally occuring without exploding, everyone would be fascinated.
Apr 30, 2015 at 9:50 comment added CodesInChaos Your "real-life unobtainiums" are unstable.
Apr 28, 2015 at 23:02 comment added jamesqf Actually so-called rare earth elements aren't all that rare, nor that difficult to mine. The problem in recent years has been that the Chinese undercut everyone else on price (due to lack of any environmental standards), so otherwise viable mines elsewhere closed down.
Apr 28, 2015 at 22:35 history answered eharper256 CC BY-SA 3.0