This realistic robot arm and hand was one of the coolest things we saw at the DARPA Robotics Challenge event--it's a technology that's already being field tested on patients. We chat with Michael McLoughlin, Chief Engineer at the Johns Hopkins Applied Physics Lab to learn more about the challenges of building a modular prosthetic limb that has the same dexterity as a human hand, and its potential applications. Find out more about the Modular Prosthetic Limb at Shot and e
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