PhysicsShortest pulse of electrons ever created lasts just 53 attoseconds A record-breaking short pulse of electrons just 53 billionths of a billionth of a second long has been generated – it is so fast it could allow microscopes to grab images of electrons jumping between atoms 51¶¯Âþ
TechnologyUS Army will test its most powerful laser weapon ever next year Lasers are currently used to shoot down small drones, but a more powerful weapon could take on larger targets 51¶¯Âþ