For medical students, tying surgical knots is a foundational skill. But when Marco Istasy, a third-year medical student at the University of Toronto, was hunting for a knot-tying board to help him ...

Now, using algebraic topology, researchers from the UK have developed a scheme for creating optical vortices in propagating laser fields to form knots and links (Nature Phys. 6, 118–121 ...

On Tuesday, December 24, 2024, the official website of the Tying the Knot with an Amagami Sister anime announced that it will return with its second cour on Wednesday, January 15, 2025. The anime ...

You can tie as many butterfly knots into a single line of rope as needed, which is especially handy with multiple climbers on a line of rope. But it's not just useful for climbing. The alpine ...