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Video discussing how time was divided into hours, minutes and seconds through the stages of development of clocks Introduction 00:00 Sundial 00:18 Water clock 04:02 Candle clock 04:47 Clepsydra (advanced water clock) 05:49 Pendulum clock 05:57 Mechanical clock 08:17 Quartz clock 11:36 Atomic clock 18:22 .... To watch more exclusive videos, you can subscribe and become a member of the channel or by supporting us on Patreon / sharafestien