**100 Essential Things You Didn't Know You Didn't Know About Sport**

A lecture to mark the publication of Professor Barrow's latest book, *100 Essential Things You Didn't Know You Didn't Know About Sport*.

The book asks the question, "What can maths tell us about sports?"

It sheds light on the mysteries of running, jumping, swimming and points scoring across the whole sporting spectrum. Whether you are a competitor striving to go faster or higher, or an armchair enthusiast wanting to understand more, this is a fascinating read with one hundred short pieces that range across a wide number of sports.

Find out: Why high-jumpers use the Fosbury Flop? How fast Usain Bolt can ultimately run and how he could break his records without running any faster? Whether there is a limit to human performance? Who the strongest man or woman is, pound for pound? Why there are so many different scoring systems in sport? If a 100-kilogram mass weighs more in London than it does in Singapore; what the best strategy for taking football penalties is? What the effect of those banned skin-tight swimsuits are? Why golf balls are dimpled? And, last, but not least, why does the bounce of a Superball seem to defy Newton's laws of motion.

Written for anyone interested in sport or simple maths, the book will enrich your understanding of sport and enliven your appreciation of maths.

Professor John D Barrow FRS has been a Professor of Mathematical Sciences at the University of Cambridge since 1999, carrying out research in mathematical physics, with special interest in cosmology, gravitation, particle physics and associated applied mathematics.

Since its inception in 1999 John Barrow has been the director of the Millennium Mathematics Project which aims to improve the understanding and appreciation of mathematics and its applications amongst young people and the general public. This has born fruit with the Project's receiving the Queen's Anniversary Prize for Educational Achievement in 2005. Further to this, he has received many awards and prizes for his own research in mathematics and astronomy, including the Locker Prize for Astronomy and the 2006 Templeton Prize.

He is the author of over 420 articles and 19 books, translated in 28 languages, exploring the wider historical, philosophical and cultural ramifications of developments in mathematics, physics and astronomy. He has also delivered lectures in a perhaps unique combination of locations including 10 Downing Street, Windsor Castle, the Vatican Palace and the Venice Film festival. He is also the author of the (Italian language) *Infinities*, which won the Italian Premi Ubu award for the best play in Italian theatre in 2002.

The appointment of Professor Barrow to the Geometry chair at Gresham College repeats a feat only previous achieved in 1652 by the founding member of the Royal Society, Lawrence Rooke. Having been a highly popular Professor of Astronomy between 2003 and 2007, Professor Barrow is only the second professor in Gresham College's four-century history to have been appointed to two separate chairs.

Professor Barrow's Geometry lectures complement the topics covered by his predecessors in the chair of Geometry Professor by focussing on the application of mathematics to familiar things. His aim is to show how mathematics is all around us and tells us many things about the world which we couldn't learn in any other way. The everyday mathematical problems that he will address reveal the importance of fascinating pieces of simple mathematics.

All of Professor Barrow's previous lectures can be accessed here.

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