FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every ...
The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...
Physicists have made a breakthrough in the development of a nuclear clock, a new kind of ultraprecise clock that could ...
An international research team has for the first time designed realistic photonic time crystals––exotic materials that ...