Three integers satisfying a² + b² = c² form a Pythagorean triple, which can be drawn as a right triangle, or a point (a/c, b/c) on the unit circle. Amazing fact: starting with the four Pythagorean triples (±1,0,1), (0,±1,1) all others can be generated via hyperbolic reflections. pic.twitter.com/XORBHcbM1Z
Geneva Drive: a mechanism that transforms a continuous rotation movement into intermittent discrete motion. This mechanism is used in devices such as mechanical watches, movie projectors, banknote counting machines. pic.twitter.com/K3YrcYR8rD
