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+ - Molecular Pentafoil knot

Submitted by Med-trump
Med-trump (2195662) writes "Scientists now report that they have made a non-DNA molecular knot.
They created a 160-atom-loop with five crossing points, a molecular pentafoil knot. The researchers used a technique known as "self-assembly" to prepare the knot in a chemical reaction. Apparently 85% of the elasticity of natural rubber is due to knot-like entanglements in the rubber molecules chains."
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Molecular Pentafoil knot

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I've never been canoeing before, but I imagine there must be just a few simple heuristics you have to remember... Yes, don't fall out, and don't hit rocks.

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