Magnetism is usually taught as a story of straight lines, with field arrows marching neatly from north to south. In a lab at Florida State University, that picture has just been shattered by a new ...

Artificial intelligence is colliding with a hard physical limit: the energy and heat of today’s silicon-based chips. As models grow from billions to trillions of parameters, the bottleneck is no ...

video: The movie shows rotating spiral interference pattern created by disturbing the phase of a reference beam relative to that of a vortex beam with l=-4. The reference beam is a right hand ...

video: The movie shows rotating spiral interference pattern created by disturbing the phase of a reference beam relative to that of a vortex beam with l=-4. The reference beam is a left hand ...