A small-scale and compact device built by US-based fusion startup Zap Energy has achieved plasma electron temperatures of 1-3 keV, roughly equivalent to 20 to 66 million degrees Fahrenheit (11 to 37 million degrees Celsius).
In nearly a century of humanity working with fusion reactions, only a few technologies have reached plasma fusion temperatures above 27 million degrees Fahrenheit (15 million degrees Celsius), the temperature of our Sun’s core.
A working version of this kind of small, compact fusion device would almost be a Holy Grail of clean energy technology.
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