http://www.princeton.edu/main/news/archi.../index.xml
EXCERPT: Scientists and dignitaries from around the world watched as Merkel pushed the button to create a hydrogen plasma that lasted a quarter of a second. But that was long enough to begin heating the plasma to 80 million degrees Celsius. By 2020, the W7-X is designed to produce a plasma that lasts up to 30 minutes and would demonstrate that stellarators could be a model for the fusion power plants of the future....
EXCERPT: Scientists and dignitaries from around the world watched as Merkel pushed the button to create a hydrogen plasma that lasted a quarter of a second. But that was long enough to begin heating the plasma to 80 million degrees Celsius. By 2020, the W7-X is designed to produce a plasma that lasts up to 30 minutes and would demonstrate that stellarators could be a model for the fusion power plants of the future....