Ok so I just had a lasagna in the oven for 45 minutes, covered in foil. I pulled it out and the tin foil isn’t even warm. How?
In: Other
It’s very low mass which means that it contains very little heat energy. Your hands just soak it up and only get a teeny tiny bit warmer. As others have pointed out it also conducts heat very well. Combined with the low mass and large surface area this means it will quickly cool down to room temperature.
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