SparkySailor

SparkySailor t1_iw1uu4r wrote

There were clocks, they were just uncommon. The ancient greeks had clocks, look up the channel "clickspring" on youtube for a breakdown of a VERY intricate one for modeling the known solar system. Also, even if they didn't have mechanical clocks, you can make clocks using other means. Hourglasses, clock candles, etc. Our ancestors weren't dumb.

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