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A bot with no wheels or legs - it moves its columnar body around on a single ball. Clever and cool-looking at once.

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Physics at its weirdest and coolest. Make a model of the solar system, fly it out to the Lagrange point, watch closely

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Visual guide to grokking multiple dimensions; a bit of a head twist. But worth it, despite the unfeasably long load times for the flash segments. Set aside a half hour; you have been warned. Via Metaf

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Multi-dimensional universes? My brane [sic] hurts...call Rudy Rucker immediately!

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