Fusion researchers have long known that powerful magnets are the key to turning star-like reactions into a practical power source, and the latest generation of “super magnets” is starting to look less ...

Add Yahoo as a preferred source to see more of our stories on Google. There's a magnet in a secure room in central Tokyo. It's an electromagnet, the kind that generates a magnetic field when ...

A UK firm has announced a world-first set of “super” magnets that can be used for testing nuclear fusion power plants. Tokamak Energy said the Demo4 magnet has a magnetic field strength that is nearly ...

There's a magnet in a secure room in central Tokyo. It's an electromagnet, the kind that generates a magnetic field when electrical current flows through it. The last time the scientists who operate ...