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« Stealth Radar sees through walls, trees undetected | Main | Smart Fault-Locating Transmission Wires »

June 26, 2006



The problem with putting your hand in ice or water is that it constricts the blood vessels to prevent heat loss. This makes your body cool down slower. The vaccuum draws the heat to the surface instead.

Bob Stanton

During the Midwest summers, we used to fill a sink with cold water and immerse our hands in it for about 5 min. It worked, up to a point. But I gather that the vacuum in the Glove also helps.


Can't you get the same results by just dunking your hand into a bucket, or big gulp, of ice water?

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