Atomic Wall Clocks Battery Operated with Alarm - This digital calendar alarm day clock required 3 “AA” long life batteries (Not included) for operation, no redundant wires, easy to use.

One anti-nuclear weapons activist in Oak Ridge thought the ... according to the Bulletin of the Atomic Scientists, which set its metaphorical "Doomsday Clock" at 90 seconds to midnight for the ...

The advantage of a radio-controlled clock that receives the time signal from WWVB is that you never have to set it again. Whether it’s a little digital job on your desk, or some big analog wall ...

Next-generation atomic timekeeping techniques could push new frontiers in quantum physics, according to a new study. Atomic clocks are essential elements in GPS and other navigation systems ...

This surprising fact is discussed by Dr. Paul C. Aebersold of Oak Ridge in the latest Annual Report of the Smithsonian Institution. Dr. Aebersold based his conclusion on experiments with ...

Whether you find yourself glancing at a clock on the wall or checking your phone ... In the U.S., a new atomic clock called NIST-F4 has already proven to be one of the most precise timekeepers ...