Atomic clocks are more accurate than those used to define the second, suggesting the definition might need to change ...

Abstract: High-performance atomic clocks provide the foundation for precise time measurement. Common high-performance atomic clocks in time-keeping laboratories include hydrogen masers and cesium ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

Discover how Rydberg atoms can measure temperature with unmatched precision. Read more on this breakthrough technology.

(Courtesy: R Jacobson/NIST) A new way to measure the temperatures of objects ... “It’s sort of designed so that all the hardware is the same as atomic clocks, so without modifying the clock ...

A low-noise chip-scale atomic clock (LN-CSAC), the SA65-LN from Microchip, features a profile height of less than 0.5 in. (12.7 mm). Aimed at aerospace and defense applications where size, weight, and ...

Learn more A blaring alarm clock in the morning can be a jarring way to start the day, leaving you startled and disoriented. To help you wake up peacefully and start the day in a better mood ...

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 ...

Atomic clocks are exceptionally sensitive to temperature changes ... sensitive temperature readings could benefit from this innovation. With this development, NIST continues to push the boundaries of ...

A Chip-Scale Atomic Clock (CSAC) is an essential reference for these systems, providing the necessary precise and stable timing where traditional atomic clocks are too large or power-hungry and ...