Bizarre particle gains or loses mass depending on direction it travels
newatlas.com
Scientists have accidentally discovered a particle that has mass when it’s traveling in one direction, but no mass while traveling in a different direction. Known as semi-Dirac fermions, particles with this bizarre behavior were first predicted 16 years ago.
This is an automated archive made by the Lemmit Bot.

The original was posted on /r/science by /u/chrisdh79 on 2024-12-12 14:04:00+00:00.

Original Title: Scientists have accidentally discovered a particle that has mass when it’s traveling in one direction, but no mass while traveling in a different direction | Known as semi-Dirac fermions, particles with this bizarre behavior were first predicted 16 years ago.