Smart Sutures Tie Themselves
edwilli writes "Scientific American has an interesting article on "smart" thermoplastic materal that can tie itself into a knot. Finally you can throw away those velcro shoes."
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Well, it'd be great if I had a pair of thermoplastic shoelaces that snugly knotted themselves for me. It wouldn't be so great if I needed a knife to get my shoes off. Can these things be untangled?
The angel in the oatmeal.
All it did was tighten itself up.
They heat it up, it shrinks, and tightens the knot nicely.
Useful, but not exactly a self tying knot.