Refraction close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ray changes direction when refracted by a lens. of ...

Researchers in Sweden have developed a machine-learning approach that embeds the laws of physics directly into neural ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or two to tell you about fascinating ideas from their corner of the universe.

Throw a pebble into a lake and it, obligingly, sinks. Smash particles together and they fall apart in certain patterns. Flick a switch and let there be light. Reality, for all its glory and cosmic ...