I'm Uncle Marty, this is The 3D RadioActivity, and on this episode Sean and I are Lord of the Rings. This ubiquitous circle can be and mean many things... a decorative ornament worn on fingers, toes, or around the arm or neck, matter orbiting a planet, a cyclic molecule, a network topology, an algebraic structure like a Torus, a symptom of tinnitus, a telephone, boxing, … [Read more...] about 3D Lord of The Rings