Holograms are a common feature in the Star Wars franchise, used by characters to see and hear each other in real-time, even ...

Key takeawaysAtomic clocks that excite the nucleus of thorium-229 embedded in a transparent crystal when hit by a laser beam ...

In the quest for ultra-precise timekeeping, scientists have turned to nuclear clocks. Unlike optical atomic clocks—which rely ...

Using thorium films just 100 nm thick, researchers were able to detect photon emissions and verify working on the nuclear ...