Physicists use thorium-229 to power the world's first working nuclear clock

A clock built from thorium-229 has crossed an important line, from a long-discussed concept to a working device. The shift ...

Nuclear clocks tick for the first time

Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, ...
New Scientist

First working nuclear clock heralds a new era in timekeeping

A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually ...
Interesting Engineering on MSN

World’s first working nuclear clocks built with thorium nucleus after decades of effort

For decades, nuclear clocks have existed as one of physics’ most tempting promises. A ...