= Atomichron
{wiki=Atomichron}
Atomichron is a brand name for various atomic timekeeping devices, particularly atomic clocks, developed by the company T. P. Instrument Co. and later by the National Institute of Standards and Technology (NIST). Atomic clocks are highly accurate timekeeping devices that use the vibrations of atoms, typically cesium or rubidium, to measure time. These clocks serve as the standard for precise timekeeping in various applications, including GPS systems, telecommunications, and scientific research.
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