"We were rich in children, poor in dollars, " recalls Kurtenbach, who remains chairman today.

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Kurtenbach was friends with the university's wrestling coach, who complained he was forced to make do with a basketball scoreboard.

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Dr Klaus Kurtenbach, of the Wellcome Trust Centre for the Epidemiology of Infectious Disease at Oxford University, told BBC News Online that the new technique sounded "good in principle".

BBC: Test for tick disease

So Kurtenbach designed a three-sided electronic pyramid.

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