Robotic fingers that determine the ripeness of a fruit without the use of sensors

By exerting light pressure, we know whether an avocado, a peach or a tomato is ripe. This is exactly what a soft robotic hand does, for example, during automated harvesting. Until now, however, this type of gripper needed sensors in its "fingers" to determine whether the fruit was ripe enough. Shibo Zou and Bas Overvelde, from AMOLF Soft Robotic

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