Zojirushi SM-KHE48. Used daily for 6 years. Retains heat better than a Yeti, fewer $$$.Submitted by home_cheese t3_z5bl9n in BuyItForLife
Butlerian_Jihadi t1_ixwee1o wrote
Reply to comment by batcake42 in Zojirushi SM-KHE48. Used daily for 6 years. Retains heat better than a Yeti, fewer $$$. by home_cheese
Not sure about that, kind of doubt it. Blackbody radiation is when something gives off energy as photons due to its heat. Things have to get worse pretty hot for us to be able to see it (think a glowing fire poker or the ember of a cigarette), but that radiation is still being emitted even if it's below our ability to perceive it.
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