Water clock - Alchetron, The Free Social Encyclopedia
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Water clock - Alchetron, The Free Social Encyclopedia
A water clock or clepsydra (Greek from kleptein, 'to steal' hydor, 'water') is any timepiece in which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel where the amount is then measured. Water clocks, along with sundials a
2018年6月25日
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An ancient Egyptian court official invented a water clock that shaped timekeeping for two millennia. | History Vault
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😱!This INVENTION CHANGED the WORLD!
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😱!This INVENTION CHANGED the WORLD!
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The mind-blowing engineering of a 13th century clock controlled entirely by water
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The mind-blowing engineering of a 13th century clock controlled entirely by water
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In ancient Greece, the need for keeping time accurately led to the invention of the water clock, or clepsydra. These clocks used the flow of water to measure time. But the Greeks didn't stop there—they added a clever twist to protect their treasures. By integrating pebbles into these water clocks, they crafted an alarm system that was both simple and effective. Here's how it worked: a water clock was set up with a mechanism that dropped a pebble onto a metal plate at specific times. This would c
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