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Jul 25, 2017 at 1:03 comment added a4android @DoomedMind There I was worried about the stability and hazards associated with ultradense matter. From memory Bob Forward had considered this and didn't think it was a problem. But you have raised an interesting issue.
Jul 24, 2017 at 11:33 comment added Doomed Mind I would think that the gravity gradient is a bit steep to be actually useful.
Jul 24, 2017 at 8:28 history answered a4android CC BY-SA 3.0