PhysicsHot rubble from volcanoes races over land on a carpet of air bubbles Clouds of rocks and gas known as pyroclastic flows spew out of volcanoes and race over land at terrifying speeds, skating on an air pocket beneath the rubble 51¶¯Âþ
PhysicsWhat's inside nothing? This laser will rip it up to find out Far from being empty, the vacuum of space could be brimming with mysterious virtual particles. We now have a machine powerful enough to tear it apart and see Features