ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,725, issued on Sept. 1, was assigned to THE TRUSTEES OF PRINCETON UNIVERSITY (Princeton, N.J.).

"Stellarators using arrays of permanent magnets" was invented by David Gates (Princeton, N.J.), Kenneth Hammond (Princeton, N.J.) and Caoxiang Zhu (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides methods for defining a magnet array for a stellarator. In some embodiments, the magnet array, once defined, comprises a plurality of permanent magnets, where each permanent magnet of the plurality of permanent magnets is selected from a set of predetermined permanent magnet types. In some embodiments, each predetermined...