3 ms·
Portable clocks are not better than static caesium clocks, and optical clocks which are better than caesium clocks are not portable.
by fanf2 2y ago
Portable clocks are not better than static caesium clocks, and optical clocks which are better than caesium clocks are not portable.
- zinekeller 2y agoEh, not smartphone-like portable, sure, but publicly (https://english.kyodonews.net/news/2025/03/c0945eb14bb6-japans-shimadzu-launches-worlds-1st-commercial-optical-lattice-clock.html https://english.kyodonews.net/news/2025/03/c0945eb14bb6-japa...) it can now be fitted on a ship or submarine (and I won't be surprised if there is classified miniturization out there).