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Explaining autorotation.
Posted 1 week ago by uuxcrunner in category: science   Comments (1)


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Numberphile
Posted 1 week ago by SFO in category: interesting   Comments (0)


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Posted 1 week ago by leighhann in category: art   Comments (1)



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Posted 1 week ago by djb in category: animals   Comments (0)


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Going through the Garden & House.
Posted 1 week ago by StiflersMom in category: geeky   Comments (2)