Physicists Just Built the First-Ever Nuclear Clock - Gizmodo

Physicists Just Built the First-Ever Nuclear Clock Gizmodo Nuclear clocks tick for the first time Phys.org First working nuclear clock heralds a new era in timekeeping New Scientist Clocks made from an atomic nucleus just ticked on for the first time Science News Nuclear clock ticks for the first time, using a thorium-229 atomic nucleus Yahoo