Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

Physicists uncover a universal limit on timekeeping precision, proving that anything from heartbeats to ocean waves can be a ...

Intuitively, we know what time is, but try to explain it, and we end up tying our minds in knots. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The researchers say this breakthrough could have applications in quantum physics, chemistry and biology. “The improvement of the temporal resolution inside of electron microscopes has been long ...