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PUBLIC MARKS from shankargallery with tags water & uhs')

28 January 2007 05:15

CTESIBUS : Timeline of Robotics part 1

270 BC Ctesibus ('ti sib ee uhs') Alexandria designs water clock.Water clocks are a big breakthrough for timepieces. Up until then the Greeks used hour glasses that had to be turned over, after all the sand ran through. Ctesibus' invention changes this be

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PUBLIC MARKS from shankargallery with tags water & uhs')

28 January 2007 05:15

CTESIBUS : Timeline of Robotics part 1

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