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Nuclear fusion reactor in South Korea runs at 100 million degrees C for a record-breaking 48 seconds
(www.livescience.com)
just science related topics. please contribute
note: clickbait sources/headlines aren't liked generally. I've posted crap sources and later deleted or edit to improve after complaints. whoops, sry
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I don't screen everything, lrn2scroll
I just want to know what kind of thermometer they put into the plasma to measure the temperature. It must have been made of ice or something to not burn up.
They usually measure extreme high temperatures differently, not with thermometers based on heat expansion of materials. They measure heat radiated, not conducted.
In plain English, they look at it with a heat camera, like you see on TV they patrol borders with.