PhysicsShow children how to make a simple electric motor with a magnet Using just a magnet, a battery, a nail and a piece of copper wire, this is the simplest electric motor you can make, says Alom Shaha, but it is utterly delightful and children will love it Regulars
PhysicsKorean nuclear fusion reactor achieves 100 million°C for 30 seconds A sustained, stable experiment is the latest demonstration that nuclear fusion is moving from being a physics problem to an engineering one News