atomic clocks

tech-science

NASA Has Turned on a Deep Space GPS

The miniature atomic clock is a big step toward self-driving deep space probes.
Becky Ferreira
8.27.19
Science

The Most Precise Atomic Clock Ever Could Change Our Understanding of Physics

Scientists have created a quantum logic clock more accurate than any clock ever made.
Madeleine Gregory
7.17.19
Time

This New Atomic Clock Is So Precise Our Ability to Measure Gravity Constrains Its Accuracy

NIST's new atomic clocks will help create the world's most precise map of how Earth's gravity warps spacetime.
Daniel Oberhaus
11.30.18
atomic clocks

Physicists Used Atomic Clocks to Test Einstein’s Theory of Relativity in a 14-Year Experiment

A foundational thought experiment in Einstein’s theory of general relativity just got its most precise confirmation ever by turning the entire Earth into a laboratory.
Daniel Oberhaus
6.4.18
ticktock

Why Nuclear Clocks Will Be the Most Accurate Clocks on Earth

Atomic clocks are the golden standard of timekeeping today, but a new technique to use the nucleus of an atom to keep track of time could be even more precise.
Daniel Oberhaus
4.18.18
uk

Why the Whole World Is Fighting Over the Leap Second

Enjoy today’s leap second, it could be one of our last.
Victoria Turk
6.30.15
Time

The Plan to Lose Leap Seconds Would Throw Our Clocks Out of Sync With the Earth

Our clocks are more accurate than the Earth's rotation, and we need to decide whether to keep them in step.
Victoria Turk
6.6.14
Time

The US Has a New, Super-Accurate Atomic Clock

Three times as accurate as its predecessor, it'll only lose a second over 300 million years.
Victoria Turk
4.4.14