Wendelstein 7-X: A Leap Toward Commercial Fusion Power Clean, limitless energy is no longer a far-off dream, recent advancements in fusion research are bringing this vision closer than ever. The Wendelstein 7-X (W7-X) stellarator in Greifswald, Germany, h... diagnostics energy research fusion energy international collaboration pellet injector plasma physics stellarators Wendelstein 7-X