Inside a laboratory nestled in the foothills of the Rocky Mountains, amid a labyrinth of lenses, mirrors, and other optical machinery bolted to a vibration-resistant table, an apparatus resembling a ...

Here's a neat gadget for a touch of functional, neon-minimalist home decor: a palm-sized smart canister device that fixes onto a wall and uses slim, moving LED beams to create giant, glowing, ...

Smaller version Illustration of a conventional atomic fountain clock (left) next to NPL’s miniature atomic fountain clock. (Courtesy: NPL) A miniature version of an atomic fountain clock has been ...

Cesium beam clocks (left) and hydrogen masers are among the types of atomic clocks used by the National Institute of Standards and Technology (NIST) to determine official U.S. time. (J. Sherman, R.