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Scientists at MIT have invented a new kind of robotic finger that can grasp objects much like a human digit would. They key lies in a camera equipped with two mirrors down the length of the finger that allow it to visualize any object from top to bottom.“Because our new sensor is human finger-shaped, we can use it to do different types of grasps for different tasks, instead of using pinch grasps for everything. There’s only so much you can do with a parallel jaw gripper.
"Making sure you have the correct curvature for the mirror to match what we have in simulation is pretty challenging,” Zhao explained, adding that the components for the finger all had their quirks which made it difficult to find the right parts for the finger. All in all, it took a lot of experimentation, trials and errors to produce the final result.
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