title: Liquid crystals: Tangled loops and knots.
authors.affiliation: James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA.
authors.forename: William T M
authors.initials: WT
authors.lastname: Irvine
authors.affiliation: James Franck Institute, University of Chicago, Chicago, Illinois 60637, USA.
authors.forename: Dustin
authors.initials: D
authors.lastname: Kleckner