atomic clocks – Charm

Chinese researchers working on an atomic clock

China’s New Atomic Clock Is More Than Just Ultra-Precise

2 months ago08 mins

One of the key reasons smartwatches are making traditional watches obsolete is their accuracy, as they constantly synchronize with atomic clocks. Currently deployed atomic clocks using cesium atoms to absorb microwaves can measure time accurately to within one second over a 300-million-year period. However, recently announced discoveries by Chinese scientists may make that level of…

Five versions of the moon in a line, each showing a different phase.

What time is it on the moon? The US and China disagree

3 months ago016 mins

When you buy through links on our articles, Future and its syndication partners may earn a commission. A NASA graphic showcasing the phases of the moon. | Credit: NASA’s Scientific Visualization Studio If you stand outside the old Corn Exchange in Bristol, you’ll see a clock with two minute hands above the entrance. One hand…