A new experiment involving a network of entangled atomic clocks could finally help us test how quantum mechanics fits with general relativity. Quantum mechanics is our best understanding of the ...

Physicists have developed a highly precise and ultra-sensitive atomic clock based on ytterbium, which ...

For the first time, an international team of physicists has successfully harnessed a rare orbital transition in atoms of ...

Add Yahoo as a preferred source to see more of our stories on Google. The thorium crystal. The core element of the experiment: a crystal containing thorium atoms. (CREDIT: TU Wien) Scientists have ...

Physicists are getting closer to creating a long-sought ‘nuclear clock’. This device would keep time by measuring energy ...

Researchers from UC Santa Barbara and the University of Massachusetts Amherst have, for the first time, demonstrated a chip-scale, stabilized, visible light laser that drives a trapped ion atomic ...

An optical lattice clock embedded in the curved spacetime formed by the earth’s gravity. Dynamical interplay between photon-mediated interactions and gravitational redshift can lead to entanglement ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Scientists have taken another giant step towards building the most precise clock ever imagined—one that could display not only the passage of time, but shifting rules of nature itself. An ...