Swimmers compete in the women's 200m backstroke heats at the British Gas Swimming Championships 2012 at the Olympic Aquatics Centre in London in a March 8, 2012 file photo. While most spectators at London's Aquatics Centre will be watching the swimmers and the clock to see whether records are being set in the 50 meter pool, engineers and scientists will have their eyes on the lane dividers. If the hundreds of discs are spinning like mad, expect history to be made. REUTERS/Toby Melville/File

Full Story: Newton at the Games: Sports Science