Optical clock sets new accuracy record, bringing us closer to a new definition of the second

A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium ...
PBS

How Atomic Clocks Keep Perfect Time

Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time. Modern timekeeping relies on the accuracy of atomic clocks, which revolutionized timekeeping by ...
Quanta Magazine

The First Nuclear Clock Will Test if Fundamental Constants Change

At 11:30 one night in May 2024, a graduate student, Chuankun Zhang, saw a signal that physicists have sought for 50 years. As a peak rose from the static on his monitor at the research institute JILA ...
NPR

To explore deep space, scientists say we'll need better clocks. Here's why

It's Memorial Day, Short Wavers. This holiday, we bring you a meditation on time ... and clocks. There are hundreds of atomic clocks in orbit right now, perched on satellites all over Earth. We depend ...
Interesting Engineering on MSN

New near-zero-temperature atomic clock aims to redefine how precisely we measure time

Today’s state-of-the-art optical clocks offer accuracy to 18 decimal places, which is roughly equivalent to measuring the ...
New Scientist

How the most precise clock ever could change our view of the cosmos

Ekkehard Peik is a clock-maker. But instead of spending his days looking at tiny cogs and springs through a magnifying glass, the tools of his trade are powerful lasers, wires and, occasionally, ...
IFLScience

Entangled Atomic Clock Experiment Could Finally Provide Hints At A Theory Of Everything

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...