Serhiy Grabarchuk Puzzles. Classic Sliding Block Puzzles. Puzzles.COM - The World's Best Resource for Puzzling on the Internet. Age of Puzzles - A Colorful Journey through Endless Patterns of Quick Wits. Récréomath Site de mathématiques récréatives. The Geometry Junkyard. The rec.puzzles archive. Classic recreational puzzles from the rec.puzzles newsgroup.
Each puzzle includes a solution, compiled from various sources, which is supposed to be definitive. Analysis: Distance and time puzzles, but also others about continuous functions. Science Jokes. Version 7.71 Time-stamp: "2013-10-19".
This page made on 21-12-13 Science humor collected by Joachim Verhagen (sciencejokes@xs4all.nl) "Blessed are they who can laugh at themselves, for they shall never cease to be amused. " This is a collection of more than 2500 scientific jokes from Usenet, or mailed or told to me. You are free to read and use them on the net or in conversation. MathPuzzle.com. Welcome to Gathering for Gardner, Math, Puzzles.... Ken's Puzzle of the week.
Solve the problem of the week-also archives of problems from 1996-2000-help solve unsolved problems- check out his puzzle links page -Ken Duisenberg you will find there: paradoxical puzzles, mechanical puzzles, optical illusions, mathemagical cards, puzzles to solve, etc... Math in the Movies : Lists movies with "math scenes" NEW!
Pentominoes Project : This site, is a site about pentominoes. It is a project of T.I.D.