A clock built from thorium-229 has crossed an important line, from a long-discussed concept to a working device. The shift ...
For decades, nuclear clocks have existed as one of physics’ most tempting promises. A ...
Two independent research teams have achieved a longstanding goal in physics: building a working nuclear clock. The devices, ...
A clock based on radioactive thorium atoms realises a long-held ambition, demonstrating a technology that could eventually ...
Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...