The robot, which looks a bit like a remote controlled toy truck, uses a “silicon retina” that allows it to process visual information pixel-by-pixel, rather than frame-by-frame as in a traditional camera, letting it detect changes faster. While the idea of a predator bot may seem frightening, the scientists say the same principles that now let the robot track a prey vehicle around an arena could be used for a car that automatically follows the vehicle ahead of it, or a grocery cart that tracks a shopper around a store.SM
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