Knots are generally understood to form due to twists and turns of long, flexible materials that keep shoes on your feet or ...

Confused by the ending of Donnie Darko? Find out about what really happened with the tangent universe, time loop, and who ...

Some standard modules for making 3d shapes with attachment support, and function forms that produce a VNF. Also included are shortcuts cylinders in each orientation and extended versions of the ...

Given a polygon and a curve, consider one edge on the polygon. Find a plane passing through the edge that is tangent to the curve. The endpoints of the edge and the point of tangency define a ...