How a Robot Operates on Corn

This robot is so precise it can perform surgery on a corn kernel.
Sony’s new surgical robot is designed for extreme precision, helping doctors master delicate operations on veins and nerves. Using a control system that mimics the tiny movements of human fingers and wrists, it’s accurate enough to stitch blood vessels smaller than a millimeter.
In training, surgeons used the robot to operate on a corn kernel, proving just how delicate and steady it can be. With automatic tool-swapping and 4K imaging, it’s reducing delays and making advanced surgeries more efficient.

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How did we go from performing surgery on a grape to performing surgery on a corn kernel. It really amazes me that this happens