An icon in the shape of a lightning bolt. Impact Link We’ve all learned “parallel lines never intersect” in high school geometry. But what your teachers failed to explain is that “parallel lines never ...

“Euclid: The Game” is, as its name suggests, a game inspired by the constructive principles of Euclidean Geometry. It is also, as its name might not suggest, highly addictive, even for non-mathy types ...

Hyperbolic space is a Pringle-like alternative to flat, Euclidean geometry where the normal rules don’t apply: angles of a triangle add up to less than 180 degrees and Euclid’s parallel postulate, ...