The size, power, and other metrics of a latest-generation chip-scale atomic clock.

Optical lattice clocks, the pinnacle of timekeeping, are key to exploring the relationship between quantum mechanics and gravity, advancing fundamental physics.

Quantum sensors offer dramatically increased sensitivity compared to their classical incumbents or even enable new sensing ...

ESA's Atomic Clock Ensemble in Space (ACES) has arrived at NASA's Kennedy Space Center in Florida, United States. This cutting-edge European experiment will test fundamental physics from the ...

Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight ...

Credit: Yuan Zou A revolutionary timekeeping breakthrough could be on the horizon as scientists explore the thorium-229 nuclear optical clock, an innovation that may surpass today’s atomic clocks. By ...