Eli5 How does tin foil work?

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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?

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5 Answers

Anonymous 0 Comments

The aluminum has a high thermal conductivity. This means that it releases heat extremely well. So when it heats up it doesn’t hold onto it for long. Another cool fact!
If you heat copper and aluminum to the exact same temp, the aluminum would release it so much faster that it would cause worse burns. I found it cool since you pull it out of the oven and it isn’t hot.

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