Germany just fired up a monster machine that could revolutionize the way we use energy

Science Magazine on YouTube On Thursday, Dec. 10, the Max Planck Institute for Plasma Physics fired up a monster machine that they hope will change the world. The machine is called the Wendelstein 7-X, or W7-X for short. It's a type of nuclear fusion machine called a stellarator, and is the largest most sophisticated of its kind. For more than 60 years, scientists have dreamed of a clean, inexhaustible energy source in the form of nuclear fusion. And they're still dreaming. But thanks to the eff...