If you know the red, green, and blue components of the light that correspond to maximum reflectance, then you know the color of the object. Their sensor uses a four-lead RGB LED, but we suppose a ...
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Columbia’s tiny sensors disrupt robotics, space tech with 100x better sensitivityResearchers at the Columbia University School of Engineering and Applied Science have invented ‘all-optical’ nanoscale sensors of force that change intensity or color when you push or pull on ...
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