Home Featured Researchers in Spain and U.S. have announced they’ve discovered a new property of light — “self-torque.” Their experiment fired two lasers, slightly out of sync, at a cloud of argon gas resulting in a corkscrew beam with a gradually changing twist. They say this had never been predicted before.

Researchers in Spain and U.S. have announced they’ve discovered a new property of light — “self-torque.” Their experiment fired two lasers, slightly out of sync, at a cloud of argon gas resulting in a corkscrew beam with a gradually changing twist. They say this had never been predicted before.

by Arturo Mancheno