The Manifold Clock Kickstarter project embraces the mathematical concept of Riemann surfaces to create an artsy 3D timepiece that expresses time through shape and movement. Freelance writer Amanda C.

This is a preview. Log in through your library . Abstract Consider a knot, link or wedge of circles which bounds a singular surface of genus g ≥ 0 within an orientable 3-manifold. Then there is a ...