optical lattice clock
An optical lattice clock is a highly advanced timekeeping device that uses lasers to create a grid-like structure, or "lattice," where atoms can be trapped and measured. These clocks utilize the vibrations of atoms (often strontium or ytterbium) in this lattice to keep time with extraordinary precision, tapping into optical frequencies, which are much higher than traditional atomic clocks. This allows them to measure time more accurately than ever before, making them valuable for fields like navigation, astronomy, and fundamental physics research. They represent a significant leap in our understanding and measurement of time.
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An optical lattice clock is an advanced type of atomic clock that uses lasers to create a grid-like structure, or "lattice," to trap atoms, usually strontium or ytterbium. By measuring the vibrations of these atoms when exposed to laser light, scientists can achieve incredibly precise timekeeping. This technology is so accurate that it can measure time to within a few billionths of a second over long periods. Optical lattice clocks have significant implications for GPS, fundamental physics research, and improving our understanding of time and space.