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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 matters because this clock does more than keep time. It can also watch for ...
Nature

The first ticking ‘nuclear clocks’ are here — what can they do?

Two teams of physicists have made the world’s first nuclear clocks. These radical new devices use fluctuations in the energy ...
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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 device that could keep time even more accurately than today’s best atomic clocks. Now, two independent research ...
unr.edu

The most precise clock ever built ticks closer to reality

Nuclear clocks are the next big thing in ultra-precise timekeeping. Recent publications in the journal Nature propose a new method and new technology to build the clocks. Timekeeping has become more ...
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 beat the accuracy of today’s best atomic clocks ...