Six Hollywood stars form a social group that has very special characteristics. Every distinct pair of stars in the group ...

Jeff Smith's Math Puzzle for July 10, 2026: Two ellipses accidentally intersect — no injuries reported. The post Math Puzzle ...

Our free mini version of the classic crossword puzzle with a business twist. Perfect for the crossword enthusiast who only has a few minutes between meetings. New puzzles go live five days a week, ...

Whether you're just starting out or have been enjoying the hobby for a while now, you'll know that there's a wide variety of puzzle sizes to choose from nowadays. Some puzzles contain thousands of ...

Anti-Grain Geometry (AGG) is an Open Source, free of charge graphic library, written in industrially standard C++. The terms and conditions of use AGG are described ...

A fireworks display launches 40 fireworks in sequence. Each firework reaches a random height, independent of the height that ...

Jeff Smith's Math Puzzle for June 26, 2026 – Claymation plays rough, morphs into solid geometry quiz. The post Math Puzzle ...