Throughout the myriad voyages of the crews of the Starship Enterprise, medical officers always carried with them a futuristic little device, about the size of a cellphone, that allowed them to diagnose any ailment—alien or otherwise. Just by waving the device, called a tricorder, over the patient’s body, they could get a complete rundown of…

via Star Trek’s “tricorder” medical scanner just got closer to becoming a reality — Quartz