Chemists Set New Guinness Record for Tiniest, Tightest Knot
The knot is composed of 54 atoms, chained together and ensnared in a trefoil, thesimplest nontrivial knot. The knot has no loose end; it is a continuous loop, passing through itself in mesmerizing arcs. The teams work describing the self-assembled metallaknot waspublishedin Nature Communications. A trefoil knot.Illustration:Wikimedia Commons It is made up of gold, carbon, and phosphorus, asreported by New Scientist. You may wonder how a team determines the tightness of a knot at the molecular scale....