Find a string. Really. Do it. Now twist, tie and tangle it as much as you like. Finally, attach the two loose ends of your string together to make a closed loop. (This is a crucial step.) What you ...

You may not have heard of knot theory. But take it from Bill Menasco, a knot theorist of 35 years: This field of mathematics, rich in aesthetic beauty and intellectual challenges, has come a long way ...

Virtual Knot Theory extends classical knot theory by incorporating virtual crossings alongside traditional over‐ and under‐crossings. Originating from Kauffman’s work in the late 20th century, the ...

Researchers have analyzed the mechanical forces underpinning simple knots, and come up with a theory that describes how a knot's topology determines its mechanical forces. Got rope? Then try this ...