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, ...

Nuclear clock ticks for the first time, using a thorium-229 atomic nucleus

World's first thorium-229 nuclear clock shows potential for ultra-precise timekeeping and fundamental physics tests.
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 ...
Science News

Clocks made from an atomic nucleus just ticked on for the first time

First dreamed up decades ago, the world's first nuclear clocks are set to improve quickly, becoming more precise and aiding ...

Scientist creates 'mini‑universe' to measure time without a clock

A University of Birmingham scientist has built a "mini-universe" that takes a step toward answering one of science's biggest ...

Atomic clocks may be powerful enough to detect the quantum fabric of time

Time feels familiar. It marks every moment of daily life, from the ticking of a wall clock to the changing numbers on a ...
Scientific American

Is It Time to Redefine Time?

Inside a laboratory nestled in the foothills of the Rocky Mountains, amid a labyrinth of lenses, mirrors, and other optical machinery bolted to a vibration-resistant table, an apparatus resembling a ...