Keep out the cold

David Jones

Nature, 1998, vol. 391, issue 6666, 443-443

Abstract: When, after a maritime accident, people are set adrift in the sea, the main threat is often the cold as much as death by drowning. Hence Daedalus is working on a survival garment that incorporates acrylic polymers which, on contact with water, swell to provide insulation. But the garment also features a distributed zinc-air battery, which exploits the oxygen dissolved in water and generates heat and hydrogen for buoyancy.

Date: 1998
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DOI: 10.1038/35042

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