= Atomic clock
{wiki=Atomic_clock}
An atomic clock is a highly precise timekeeping device that uses the vibrations of atoms to measure time. Unlike traditional clocks that rely on mechanical or quartz oscillations, atomic clocks use the natural frequencies of atoms, typically cesium or rubidium. \#\#\# Key Features of Atomic Clocks: 1. **Atomic Transitions**: Atomic clocks work by measuring microwave radiation emitted or absorbed by atoms transitioning between energy levels.
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