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Can the materials used to make a thermus be also used to keep an ice cube solid in a cardboard box. If not then please do tell me. It is my school project.
- Abhinav (age 13)
John Oliver Secondary, Vancouver, BC
Many good thermos bottles use vacuum layers for insulation. That
doesn't sound like the sort of thing you can easily put together
yourself. Styrofoam offers a reasonably good substitute.
(republished on 07/27/06)
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