Participants consistently picked the wrong knot, believing the weakest knots were the strongest. And for many among the few ...
Study shows 4,000 years of knot-tying hasn’t made us better at understanding them. BALTIMORE — When you tied your shoes this morning, you probably didn’t give much thought to the physics involved.
Did you know that knots are among the oldest human technologies? In Five Knots, Timandra Harkness unties a handful of them, and explores how they string together history, culture, forensics ...
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 ...