The Tricorder Comes Down To Earth

The Tricorder Comes Down To Earth

In Star Trek, a visit to the sick bay nearly always began with a scan of the tricorder, a handheld instrument that could quickly gather vital signs and diagnose ailments. Now 20 undergraduates and recent alumni at Johns Hopkins University are poised to bring the tricorder out of the realm of science fiction. If they succeed, they could change the future of diagnostic medicine, earn the adoration of Trekkies everywhere—and win $7 million.

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