• Medical devices. Bones McCoy, the chief medic on Star Trek's USS Enterprise, used his tricorder like today's doctors use the stethoscope. Silicon Valley startup Scanadu has created a tricorder-like scanner filled with sensors that can read vital signs and send them by wireless to a smartphone in seconds. Today's medical technology — think DNA sequencing, MRI scanners and laser surgeries — oftentimes makes us feel as if we've living on a sci-fi set.
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