From the mathematics of mazes, to cones with a twist, and the amazing sphericon - and how to make one - Ian Stewart is back with more mathematical stories and puzzles that are as quirky as they are fascinating, and each from the cutting edge of the world of mathematics. We find out about the mathematics of time travel, explore the shape of teardrops (which are not tear-drop shaped, but something much, much more strange!), dance with dodecahedra, and play the game of Hex, amongst many more strange and delightful mathematical diversions.
1. Walking with Quadrupeds
2. Forward to the Future
3. Back to the Past
4. What Shape is a Teardrop?
5. Tiling Space With Knots
6. The Interrogator's Fallacy
7. Cows in the Maze
8. Knight's Tours on Rectangles
9. The Lore and Lure of Dice
10. Cat's Cradle Calculus Challenge
11. Glass Klein Bottles
12. Cementing Relationships
13. Dances with Dodecahedra
14. Cone with a Twist
15. Most-Perfect Magic Squares
16. It Can't Be Done!
17. Knotting Ventured, Knotting Gained
18. Making Winning Connections
19. Jumping Champions
20. Pursuing Polygonal Privacy
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