Space.com

New atomic clock loses only one second every 300 billion years

A group of physicists has announced one of the highest performance atomic clocks ever made. The instrument is said to measure time so precisely that it will only lose one second every 300 billion ...
Gizmodo

Scientists Built Tiny, Portable Atomic Clocks—and Naturally, They’re Headed for Drones

This breakthrough in precision timing is about the size of your fingernail and only loses one second every 30,000 years. Reading time 2 minutes This tiny cube fits on the tip of your finger and also ...
Nature

Most accurate clock in history made by ‘quieting’ atoms

Physicists have built the most accurate clock ever: one that gains or loses only one second every 40 billion years 1. Alexander Aeppli at the research institute JILA in Boulder, Colorado, and his ...
CNET

Extremely Accurate Atomic Clock Loses One Second Every 300 Billion Years

Atomic clocks are already the world's most precise time keepers, but physicists are tinkering with a new design that could make them "50 times more precise than today's best designs," according to new ...