PermaFrost

1,577 views · Published 2 November 2013 · 5:15 · Indexed 12 November 2026

Channel: cplai · 2013 · Science & Technology

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Keeping the permafrost frozen.

excerpt from NOVA's Making Stuff Colder.
http://www.pbs.org/wgbh/nova/tech/making-more-stuff.html#making-stuff-colder

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