21 Nov
2012
21 Nov
'12
7:58 a.m.
But he could easily have *compared* two clocks, which is exactly how it is done today. On Nov 21, 2012, at 9:55 AM, Warren Smith wrote:
Galileo had, theoretically, no notion of calculus and Newton laws, so no way to realize circle was not "perfect."
Experimentally, he had no clocks, he measured time using heartbeat, which is less precise.
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