It seems in ancient Greece there was a man named Gordias, who devised a rope knot so large and complicated no one could untangle it. The claim was that the person who could undo the Gordian knot would ...

A knot made from gold that crosses over itself three times, known as a trefoil knot, is both the tiniest and tightest knot ever made. The knot contains just 54 atoms, including six gold atoms that ...