PhysicsOdd quantum property may let us chill things closer to absolute zero We can already cool objects with fridges and with lasers. Now there is a third cooling technique involving special quantum states – and it could, in theory, allow us to reach the lowest temperatures yet News
PhysicsNuclear fusion reaction releases almost twice the energy put in The US National Ignition Facility has achieved even higher energy yields since breaking even for the first time in 2022, but a practical fusion reactor is still a long way off News