pdf file How our numerical tetrahedron finds its lowest-energy shape: the motion picture, 1200 kb networks of crumpled paper here Eric Kramer 's simulated crumpled sheet An osmotically deswollen red blood cell ghost , courtesy of Ted Steck, University of Chicago, 1995 or so.
(our numerical tetrahedron; finds; its lowest-energy shape)
our numerical tetrahedron
finds
its lowest-energy shape