## Slicing Pizzas, Racing Turtles, and Further Adventures in Applied MathematicsHave you ever daydreamed about digging a hole to the other side of the world? Robert Banks not only entertains such ideas but, better yet, he supplies the mathematical know-how to turn fantasies into problem-solving adventures. In this sequel to the popular In twenty-six chapters, Banks chooses topics that are fairly easy to analyze using relatively simple mathematics. The phenomena he describes are ones that we encounter in our daily lives or can visualize without much trouble. For example, how do you get the most pizza slices with the least number of cuts? To go from point A to point B in a downpour of rain, should you walk slowly, jog moderately, or run as fast as possible to get least wet? What is the length of the seam on a baseball? If all the ice in the world melted, what would happen to Florida, the Mississippi River, and Niagara Falls? Why do snowflakes have six sides? Covering a broad range of fields, from geography and environmental studies to map- and flag-making, Banks uses basic algebra and geometry to solve problems. If famous scientists have also pondered these questions, the author shares the historical details with the reader. Designed to entertain and to stimulate thinking, this book can be read for sheer personal enjoyment. |

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### Contents

3 | |

Chapter 2 More Stars Honeycombs and Snowflakes | 13 |

Chapter 3 Slicing Things Like Pizzas and Watermelons | 23 |

Chapter 4 Raindrops Keep Falling on my Head and Other Goodies | 34 |

Chapter 5 Raindrops and Other Goodies Revisited | 44 |

Chapter 6 Which Major Rivers Flow Uphill? | 49 |

Chapter 7 A Brief Look at π e and Some Other Famous Numbers | 57 |

Chapter 8 Another Look at Some Famous Numbers | 69 |

Chapter 16 The Great Explosion of 2023 | 146 |

Chapter 17 How to make Fairly Nice Valentines | 153 |

Chapter 18 Somewhere over the Rainbow | 163 |

Chapter 19 Making Mathematical Mountains | 177 |

Chapter 20 How to make Mountains out of Molehills | 184 |

Chapter 21 Moving Continents from here to there | 196 |

How to Flatten Spheres | 204 |

Chapter 23 Growth and Spreading and Mathematical Analogies | 219 |

Prime Fibonacci and Hailstone | 78 |

Chapter 10 A Fast way to Escape | 97 |

Chapter 11 How to Get Anywhere in about FortyTwo Minutes | 105 |

Chapter 12 How Fast should you Run in the Rain? | 114 |

Pursuit Curves | 123 |

Logarithmic Spirals | 131 |

Chapter 15 How Many People have Ever Lived? | 138 |

Chapter 24 How Long is the Seam on a Baseball? | 232 |

Chapter 25 Baseball Seams Pipe Connections and World Travels | 247 |

Chapter 26 Lengths Areas and Volumes of all Kinds of Shapes | 256 |

279 | |

285 | |