The world’s network of atomic clocks is already mind-bogglingly accurate. They also underpin a slew of modern necessities, ...

For decades, researchers around the world have been working toward this goal—and now major advances are following in rapid ...

Scientists in Vienna have achieved a major breakthrough in timekeeping by creating the world’s first self-stabilizing nuclear clock, a technology that could eventually surpass even the most precise ...

What you'll discover in this article ・The first thorium-229 nuclear clock has been achieved. ・It is not as precise as regular atomic clocks, but it could be a revolutionary tool in probing fundamental ...

For a clock that keeps time with laser light, even a slight shift in the laser’s frequency changes its rhythm. Researchers in ...

Researchers in Austria have built the world’s first self-stabilizing nuclear clock, using thorium nuclei to keep its laser frequency locked.

Physicists have used radioactive lutetium to create what they say is the most accurate atomic clock ever, keeping time perfectly up to 19 decimal places.

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a chip-based ...

The usual way to shrink a machine is to build a smaller copy of it. But chip-sized versions of the light-based tools used in ...

Add Yahoo as a preferred source to see more of our stories on Google. A new study suggests trapped-ion atomic clocks could detect quantum superpositions of time, opening a path toward uniting quantum ...

Time, like money, only seems important when it’s running out. But to physicists, time is always a big deal. Relativity tells us that the flow of time depends on the circumstances you’re measuring it ...