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Question:

What would make a good insulator to keep something boiling hot?

Thanks.We are trying to keep boiling hot water hot in an aluminum can.

Answer:

Pack newspaper around itPaper is a great insulatorAluminum is a horrible insulatorHeat and cold go thru it with no problemThat is why it is a dumb idea to to wrap aluminum foil around a drink to keep it coldYou'll never keep it boiling, though.

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