Emptiness Tied in a Knot

O Time, thou must untangle this, not I;It is too hard a knot for me t' untie. -Viola in Twelfth Nightby William Shakespeare The knot Viola speaks of in Twelfth Night is a complex love triangle. Knots are often used to symbolize complicated situations, in addition to anxiety and lasting commitments. Like Viola, when most of us think about knots our focus is on how tightly they are tied. For the scientists who study them however, knots are much more--they represent a unique approach to understandi...