FYI: They claim this is a record. not enough details to know if they lost containment or just turned it off after 102 seconds.
http://www.eedesignit.com/scientists-create-energy-device-that-produces-hydr ogen-at-temps-hotter-than-sun/ "The team's <http://english.cas.cn/newsroom/news/201602/t20160205_159588.shtml> Experimental Advanced Superconducting Tokamak (EAST) fusion device made a 102-second long pulse plasma discharge at over 50 million degrees, making it the longest plasma discharge time recorded in all the Tokamak fusion devices in the world." -mark iverson
