The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these ...

From space, the Atomic Clock Ensemble in Space will link to some of the most accurate clocks on Earth to create a ...

The package includes two extremely accurate atomic clocks – a caesium fountain clock and a hydrogen ... Second, ACES timekeeping comparisons will allow us to test Einstein's general theory of ...

With greater control over the quantum realm, physicists are poised to make major leaps in quantum computing, quantum gravity and more.

One of the most profound open questions in modern physics is: "Is gravity quantum?" The other fundamental ...

A particle that lacks the energy to climb a barrier can still appear on the far side, a curiosity known as “quantum tunneling.” ...

Cutting-edge tech is giving search and rescue teams the edge they need to find the most vulnerable people before they come to ...

Eating This Every Day May Help Fight Dementia, Says New Study This happens because of a relativity theory developed ... They used atomic clocks that “tick” as a single aluminum ion vibrates ...

The second measures how closely the microwave frequency matches that atomic rhythm ... cavity above sea level affects the clock via Einstein’s general relativity. NIST-F4’s designers left ...

By using paired, offset optical combs and RF electronics, researchers devised a unique atomic-clock architecture.