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Published online 21 May 2003 | Nature | doi:10.1038/news030519-3

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Rope trick calculated

Mathematical analysis reveals sailors' splicing secrets.

Mathematics is unpicking the secrets of a centuries-old nautical skill called splicing - joining two ropes together end to end by interweaving their strands1.

Chris Leech of rope and fibre consultants Technology Tension International has calculated the mechanical properties of three different kinds of splice, to understand what holds them together and what rope properties give the best result.

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