TIME TRAVEL
AND OTHER MATHEMATICAL BEWILDERMENT'S
CONTENTS
CHAPTER ONE
Time Travel 1
CHAPTER TWO
Hexes and Stars 15
.
CHAPTER THREE
Tangrams, Part 1 27
CHAPTER FOUR
Tangrams, Part 2 39
CHAPTER FIVE
Nontransitive Paradoxes 55
CHAPTER SIX
Combinatorial Card Problems 7 1
CHAPTER SEVEN
Melody-Making Machines 85
CHAPTER EIGHT
Anamorphic Art 97 .
CHAPTER NINE
The Rubber Rope and Other Problems 1 1 1
viii CONTENTS
CHAPTER TEN
Six Sensational Discoveries 125
CHAPTER ELEVEN
The Csaszar Polyhedron 139
CHAPTER TWELVE
Dodgem and Other Simple Games 153
CHAPTER THIRTEEN
Tiling with Convex Polygons 163
CHAPTER FOURTEEN
Tiling with Polyominoes, Polyiamonds, and Polyhexes 177
CHAPTER FIFTEEN
Curious Maps 189
CHAPTER SIXTEEN
The Sixth Symbol and Other Problems 205
CHAPTER SEVENTEEN
Magic Squares and Cubes 213
CHAPTER EIGHTEEN
Block Packing 227
CHAPTER NINETEEN
Induction and ~robabilit~ 24 1
CONTENTS ix
CHAPTER TWENTY
Catalan Numbers 253
CHAPTER TWENTY-ONE
Fun with a Pocket Calculator 267
CHAPTER TWENTY-TWO
Tree-Plant Problems 22 7
INDEX OF NAMES 291
