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Q & A: thermal insulators

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Most recent answer: 10/22/2007
What makes good cold insulators?
- Alex
St. F rancis Xavier, Canada
Styrofoam is a good thermal insulator, meaning that it's hard for heat to flow through it.

Mike W.

Thermos bottles are also pretty good. They have a vacuum between two reflecting glass surfaces. See our other answers on this site about how styrofoam and thermoses prevent conduction, convection, and radiation.


(published on 10/22/2007)

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