Chinese Fusion Reactor Sustains 90 Million Degree Plasma Blast for Over 100 Seconds. At 90 million Fahrenheit, the 102-second blast was hotter than the core of the sun.

And the observation revealed a plasma blast of astonishing scale: roughly 2.6 quintillion lbs. (1.8 quintillion kilograms) of superhot matter — peaking at 18 million to 45 million degrees ...