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Published online 19 June 2008 | Nature | doi:10.1038/news.2008.902

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Is Hawk-Eye's decision final?

Row erupts about accuracy of ball-tracking technology.

A fierce rally of words is being played out ahead of the Wimbledon tennis fortnight in London. The inventor of Hawk-Eye — a high-speed camera-based device used to help tennis umpires make decisions — is arguing with academics at Cardiff University, who claim that the workings of the technology could be represented more transparently to the public.

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