![4b8429325a5277341c652c1b127bd376 4b8429325a5277341c652c1b127bd376](https://utterbuzz.com/wp-content/uploads/2024/04/4b8429325a5277341c652c1b127bd376.jpg)
A team of physicists and engineers at Princeton Plasma Physics Laboratory built a twisting fusion reactor known as a stellarator that uses permanent magnets, showcasing a potentially cost-effective way of building the powerful machines. Their experiment, called MUSE, relies on 3D-printed and off-the-shelf parts.