Start of scientific experimentation at the Wendelstein 7-X fusion device

Following nine years of construction work and one year of technical preparations and tests, on 10 December 2015 the first helium plasma was produced in the Wendelstein 7-X fusion device at the Max Planck Institute for Plasma Physics (IPP) in Greifswald. The production of the first hydrogen plasma followed on 3 February 2016 and marked the start of the experimental operation of the device. The purpose of the Wendelstein 7-X, the world's largest stellarator-type fusion device, is to investigate th...