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How Atomic Clocks Keep Perfect Time

Clip Season Nova Season 51 2:15 Premiered 20241106

Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time.

Modern timekeeping relies on the accuracy of atomic clocks, which revolutionized timekeeping by using the quantum behavior of atoms to measure time. Discover how these incredibly precise clocks work, and how they ensure global synchronization in everything from GPS to scientific research.

Modern timekeeping relies on the accuracy of atomic clocks, which revolutionized timekeeping by using the quantum behavior of atoms to measure time. Discover how these incredibly precise clocks work, and how they ensure global synchronization in everything from GPS to scientific research.