A German fusion machine runs on 50 superconducting coils chilled to 270 degrees below zero, each one a shape no person could have drawn and only a supercomputer could work out, and it held a plasma for 43 seconds before its own institute walked the record back
KeysQuestions4Vehicle1 Germany’s Wendelstein 7-X stellarator made global headlines for beating tokamaks at their own game — then its…