5 Things You Didn’t Know About Clocks

unusual clocks

1. Clocks run more slowly in a strong gravitational field than they do in a weak gravitational field. Since (most of the time) your feet are closer to the center of mass of the Earth than your head is, it is actually a subtly different time in your shoes than it is in your hat. And when you die, your head will be “older” than your feet

2. There is evidence, not proof, that the current given off by electric clocks may be affecting your health. Studies have provided contradictory results; however there is evidence that exposure to electromagnetic radiation can cause certain kinds of cancer. Electric bedside clocks give off an especially high amount of electromagnetic radiation which is potent as far as 3 feet away.

3. Even a broken clock is right two times a day

4. During the French Revolution, and in particular from 1794 to 1795, a manner of timekeeping known as Decimal Time was used. The day was divided into 10 hours and then the hundredth part of the hour was called decimal minute and the hundredth part of the minute was called decimal second. This curious revolution in time measurement did not last, but some clocks from that period still exist with faces showing the time in both ways.

5. The first alarm clock was invented by the Greeks sometime near 250 BC, but it took until 1787 for a mechanical alarm clock to be invented. It took until 1876 for the first mechanical alarm clock that could be set for a later time to be invented! The Greeks sure were pioneers in the world of clocks.

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