5th April 2016
When Galileo measured time by his own pulse beat
It is said that Galileo Galilei determined the time taken by a pendulum to swing and complete one cycle by comparing its swing to his own pulse beat. He did this one day by observing the bronze chandelier in the Cathedral of Pizza when it started swinging due to a storm. He found that his pulse beat did not reduce even if the swing of the pendulum reduced.
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