In win for Velcro, scientists reveal why your shoelaces come untied

May 29, 2017

When your shoelaces comes untied, the thought that probably pops in your brain is: “Ugh, that’s annoying. Guess I’ll retie my laces now.” But to mechanical engineers, this tedious occurrence represents a scientific black hole. Why do shoelaces shake off their knots, and how? Why is one way of tying a shoelace stronger than the other? SEE ALSO: These steel-like socks could replace your favorite shoes Engineers at the University…