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Nov 10, 2016 at 16:22 vote accept TrEs-2b
Nov 10, 2016 at 1:12 comment added Youstay Igo @TrEs-2b: That's the value for a rocky cube. If you build a cube with mammalian bone material, it would support a much larger volume, since bone is 5 times as strong as steel, for the same mass. Also, the suggested magnetic repulsion will help somewhat with creating slightly larger cube.
Nov 9, 2016 at 23:26 comment added TrEs-2b but a cube with a volume of 282743 km would only be 65.6 km across!
Nov 9, 2016 at 23:20 vote accept TrEs-2b
Nov 9, 2016 at 23:27
Nov 8, 2016 at 13:55 comment added Feyre Eh, yeah, good point. Still, it would impair any potential civilisation enormously beyond renaissance-age level technology.
Nov 8, 2016 at 13:43 comment added Youstay Igo @Feyre: No. It would only hinder the use of ferromagnetic metals, not all metals indiscriminately.
Nov 8, 2016 at 11:45 comment added Feyre Magnetism is a terrible idea, it would make it impossible to use anything metal.
Nov 7, 2016 at 21:26 history answered Youstay Igo CC BY-SA 3.0