These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its ...

Two teams of physicists have made the world’s first nuclear clocks. These radical new devices use fluctuations in the energy ...

For the first time, scientists used an atomic nucleus as a clock. The world’s most precise timepieces are made using atoms, specifically their electrons. But clocks based on atomic nuclei — protons ...

Get ready to lose an hour of sleep this weekend, Memphis, thanks to the time change. Every few years, the unpopularity of daylight saving time becomes a highlight in social forums, and this year ...