A nuclear clock has started ticking. But it is not yet the world's best. Here is why physics is still excited.

A new clock has been created. However, it has not become the most accurate clock in the world.Hearing just this might be a ...
Al Jazeera on MSN

Clock ticking for leap second: Why timekeeping could change forever

Timekeepers add a leap second occasionally to keep our clocks and the Earth’s rotation in tune. That could now change.
Hackaday

Thorium Clocks Start Ticking With Lasers

Atomic clocks are super accurate. But, unsurprisingly, some atomic clocks are better than others, depending on your ...
Hosted on MSN

The world's first nuclear clocks are ticking, opening a new way to investigate dark matter and other mysteries of physics

For decades, scientists have tried to build a device even more precise than an atomic clock, which keeps time using electrons, the negatively charged particles that whiz around in an atom. Now, two ...
C&EN

Nuclear clocks are finally ticking

Two independent experiments turn a thorium-229 nuclear transition into a working frequency reference The world’s most precise ...

Michigan 'clock specialist' is ready for the Nov. 1 time change

Bob Stewart has a few thoughts to offer about time before our clocks change on Nov. 1. The 71-year-old is, as the sign for ...