German W7-X fusion device produces first hydrogen plasma, with PPPL collaborators

Screen Shot 2016-02-10 at 10.13.47 AMPrinceton Plasma Physics Laboratory (PPPL) physicists collaborating on the Wendelstein 7-X (W7-X) stellarator fusion energy device in Greifswald, Germany, were on hand Feb. 3 when German Chancellor Angela Merkel pushed a button to produce the reactor’s first plasma of hydrogen-fueled superhot gas.