In the last of his Engineering Sport films, Professor Steve Haake looks at how technology has affected athletic performance over time and how it may hold the key to the future of sport, leading to new rules and even completely new games. The Ri is on Twitter: http://twitter.com/ri_science and Facebook: http://www.facebook.com/royalinstitution and Tumblr: http://ri-science.tumblr.com/ Our editorial policy: http://www.rigb.org/home/editorial-policy Subscribe for the latest science videos: http://bit.ly/RiNewsletter