Jeff Smith's Math Puzzle for July 3, 2026 – Enjoy the Fourth of July, America’s 250th birthday The post Math Puzzle for July ...

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

Welcome to the ultimate visual rebus challenge! We’ve prepared 15 math rebuses that range from beginner to advanced levels. You may be able to guess the meaning of ‘GR8’, but can you guess what ‘-b²’ ...

Welcome to the ultimate visual rebus challenge! We’ve prepared 15 math rebuses that range from beginner to advanced levels.

This month, we visit a trendy (but fictional) spa with an unusual feature: hot mud beds. You lay a plastic sheet on the mud. Then you lay your body upon the sheet. Without any direct contact between ...

A jigsaw puzzle company wants to design a new rectangular puzzle with a specific quirk: it must have the same number of edge pieces and interior pieces. Each piece begins as a square of the same size, ...

In 2023, I posed 23 challenges as part of the Gizmodo Monday Puzzle series. Some require a bit of math, and others a light familiarity with physics; but most can be solved through logic and creative ...