The clock hands are set by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at the University of Chicago who helped build the atomic bomb but protested using it ...

Atomic clocks are timekeeping devices that use the vibrations of atoms (commonly cesium, rubidium, or hydrogen) as their ...

LOS ANGELES: The Deep Space Atomic Clock, a new technology from NASA's ... relay system that can take anywhere from minutes to hours to deliver directions. The new technology of the clock enables a ...

Atomic clocks ... a nuclear clock. The scientists need to fully characterize how the transition responds to external conditions, including temperature. In the most recent set of experiments ...