Mathematicians invented a knitting stitch that stops mistakes from spreading

With a little help from knot theory, scientists have invented a “robust knit” to fight laddering

With a little help from knot theory, scientists have invented a “robust knit” to fight laddering

With a newly discovered mathematical tool, researchers are hoping to gain unprecedented insight into the structure of complex knots.

Learn the fundamentals of the burgeoning field of knot theory while solving some puzzles along the way

Six stories on our fascination with knots.
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One of these knots could save your life one day.

Beyond tying your shoes, it’s altogether possible the only knots you know are the ones you make up on the spot. To the uninformed, complex knots seem like magic tricks. But you don’t need to improvise the next time you lash something down. Practice this handy arsenal of…

Which knot is the strongest?