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In the discussion thread: A couple new tricks up my sleeve [View all]

Response to IrishAyes (Original post)

Sat Nov 15, 2014, 01:26 AM

2. Question about the de-icer crystals.

[font color="navy" face="Verdana"]I thought they were just mostly salt. They don't actually get warm, as far as I know, but just change the chemical composition of the ice to brine, which doesn't freeze easily. How does this make a hand/foot warmer?

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