• i_love_FFT@jlai.lu
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      2 天前

      That simply means it must melt below 600°C.

      A quick wiki check says it melts at 660. I guess if you’re in a really dark room, you could see the glow.

    • BurgerBaron@piefed.social
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      2 天前

      Eventually will glow human eye visible if you keep heating it past useful temperatures. 1000’C+ starts getting red hot.

      Doesn’t emit light as readily as iron does, especially with iron’s oxide layer building up when heated.