Video: Technology

Olympic swimmers see gold in inertial navigation system (3:17) 

April 29 - A pocket-sized inertial navigation system worn inside a swimsuit has been designed by Swiss scientists to help Olympic hopefuls analyse their swimming techniques and improve their performance. The Physilog III is in the final stages of patenting. Swimmers and coaches in the Swiss city of Lausanne say it will be a major boost in their efforts to win gold. Jim Drury has the story. ( Transcript )

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