Physicists are quietly rewriting one of the most basic units in science, using a new generation of optical clocks that can keep time so precisely they barely lose a beat over the age of the universe.

A clock built by a team led by researchers at the National Institute of Standards and Technology (NIST) has been estimated to be 41 percent more accurate than the previous timekeeping record holder.

LANCASTER COUNTY, Pa. (WHTM) — A Guinness World Record-winning clock is now on display at the National Watch and Clock Museum in Lancaster County. According to the museum, the Burgess Clock B received ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

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The hands of the worldwide Doomsday Clock in Hyde Park remained at 90 seconds to midnight in its annual reset, after global threats cast “menacing shadows” on the clock deliberations and “ominous ...