PhysicsQuantum 'supersolid' matter stirred using magnets We can’t stir ordinary solids, but one research team now claims to have stirred an extraordinary quantum “supersolid”, generating tiny vortices News
PhysicsHow to wrap your head around the most mind-bending theories of reality From the many worlds interpretation to panpsychism, theories of reality often sound absurd. Here’s how you can figure out which ones to take seriously Features