Why Do Buses Come in Threes? : The Hidden Mathematics of Everyday Life

Why is it better to buy a lottery ticket on a Thursday? Why are showers always too hot or too cold? And what's the connection between Rob Andrew taking a conversion in rugby and a tourist trying to get the best photograph of Nelson's Column? These and many other fascinating questions are answered in this entertaining and highly informative book ideal for anyone wanting to remind themselves - or discover for the first time - that math is relevant to almost everything that we do. As explained here, dating, cooking, travelling, gambling and even life-saving are all linked with intriguing mathematical problems. Whether you have a PhD in astrophysics or haven't touched a math problem since your school days, this book will give you a fresh understanding of the hidden math in the world around you.

If you've ever bought a Lotto ticket and wondered about your bad luck afterward, you've had to deal with math. From timing to probability, it pervades our every waking moment, and even the most crippling math phobia can't make it go away. Writers Rob Eastaway and Jeremy Wyndham throw up their hands in defeat and give in to the amusing, interesting, and practical aspects of math in Why Do Buses Come in Threes? Taking their title from the oft-noticed phenomenon of clumping in mass transit, they explain in clear, commonsense language why this must be so. At the end of their description, you might be left with the uneasy sense that you just learned some math, and on quick review, you'll find that the authors have in fact snuck some in under your radar. In chapter after chapter, Eastaway and Wyndham successfully navigate statistics, codes, coincidences, and many other parts of our lives, peeling away the surface to show what's really going on to make things so weird and wonderful. Diagrams and drawings help to make their points even clearer, and there are almost never any scary formulas to frighten the timid. If you've been waiting your whole life to learn the "Ham Sandwich Theorem," or just want to put some old fears to rest, Why Do Buses Come in Threes? is the solution. --Rob Lightner