About a decade ago, physicists put forward a theory that proposes how to investigate the quantum nature of time. It can be ...

Time already behaves strangely in modern physics. It can stretch, slow, and split depending on speed and gravity.

Using ultraprecise atomic clocks, along with technologies developed from trapped-ion quantum computing, scientists are ...

Physicists have outlined a method to test whether time itself can exist in quantum superposition, allowing a single clock to tick both faster and slower simultaneously. Advances in optical atomic ...

For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with the resonant frequency of atoms, a method so accurate that it serves as the ...

Ultraprecise clocks are more than scientific curiosities. They play key roles in navigation, communications and international ...

A portable atomic clock that has been successfully tested at sea could change the future of marine navigation.

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 ...

Vladan Vuletić with members of his Experimental Atomic Physics group. From left to right: Matthew Radzihovsky, Leon Zaporski, Qi Liu, Vladan Vuletić, and Gustavo Velez. Every time you check the time ...

Few concepts in physics are as familiar, yet as enigmatic, as time. In Einstein's theory of relativity, time is not absolute: ...