By Siobhan Roberts “Math is power” is the tag line of a new documentary, “Counted Out,” currently making the rounds at festivals and community screenings. (It will have a limited ...

Main purpose of the GeometRi library is manipulations with basic geometrical primitives, such as point, line, plane, sphere, triangle in 3D space: translation and rotation operations, distance ...

It's one of the three types of muscle contractions (eccentric, concentric, and isometric)—and it’s often the contraction you’re most likely to forget about. You know concentric muscle ...