PhysicsAt last, we are discovering what quantum computers will be useful for Quantum computers have been hyped as machines that can solve almost any problem. Yet it is becoming clearer that their near-term utility will be narrower Features
PhysicsPhysicists reveal the secret to chopping onions without crying Slicing an onion releases tear-inducing chemicals into the air, but the sharpness of the knife and the speed of the cut can affect how these droplets are expelled News