The quantum logic clock—perhaps best known for showing you age faster if you stand on a stool—has climbed back to the leading performance echelons of the world’s experimental atomic clocks.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/nistsquantum.jpg)
Source:
https://phys.org/news/2019-07-nist-quantum-logic-clock.html