This is very cool.

Is it "mere" rotations, or could you add another particle and have it move just


Would such a system conserve energy if one simply moved along at a constant
altitude (no, I don't think so, but how could one do it??)...


Bill DeWitt wrote:


> closer that the earth has completely fried and only the last traces of
> oxidized copper floating on the molten iron remind us of the blue oceans of
> the past.
>

> whole solar system. Probably with planets artificially enlarged for effect.
>

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