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I don't think that is all there is to it. The page says they are filled with "Phase Change Material" (which I would guess is some sort of wax) that melts at !4
by tcskeptic 16y ago
I don't think that is all there is to it. The page says they are filled with "Phase Change Material" (which I would guess is some sort of wax) that melts at !40F. I don't know why that would be better or worse than a lump of metal though.
- gridspy 16y agoGood guess about the wax.
- revolvingcur 16y agoIt's much more likely to be a fusible alloy such as Wood's metal or Field's metal. My guess is that it's closer to Field's metal, since it is non-toxic and has a melting point very close to their advertised ideal.
- jasonkester 16y agoApologies for going meta, but it's refreshing to see that I'm not the only one who uses capital 1's from time to time.