Why It Is What Time It Is (The History of Time)

The video explores the evolution of timekeeping from natural events like sunrise and sunset to modern atomic clocks. It discusses how time was historically kept using natural phenomena and early devices like water clocks. The video explains the human construct of time, the development of early calendars, and the shift to mechanical and atomic clocks. It highlights the importance of precise timekeeping in science and global synchronization efforts, leading to the establishment of Greenwich Mean Time and the use of atomic clocks for accuracy.

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