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Published online 13 December 2000 | Nature | doi:10.1038/news001214-8
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Knot big, but clever
Macramé made from metal strands thinner than human hair could bring miniature electromagnets. .
Researchers in the United States and Canada are tying some very small knots. They have joined curved metal strands thinner than a human hair into complex shapes including a figure of eight, linked chains and a Möbius strip.
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