What just happened? Physicists have managed to turn light particles into what they describe as an "exotic state of matter" – a one-dimensional gas. They did this by confining the photons in a tiny ...

Add Yahoo as a preferred source to see more of our stories on Google. Two Physical Review A papers outline how anyons could exist in one dimension, and how cold-atom experiments might spot them.

Geometry has surprising consequences for the behaviour of matter. Living in three dimensions, we're familiar with liquids that abruptly freeze into solids, or crystals under pressure that suddenly ...