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DLR's institute of Robotics and mechatronics is developing one of the most advanced dexterous robotic arms and hands that combine accurate object manipulation, robustness and strength in a quite compact and light package. The robotic hand is inspired by the human one although anatomic fidelity isn't the main objective. It can handle small and fragile objects but it is also able to exert force of 30 newton at the fingertips. It is also able to survive a baseball bat hit (a 66 g impact!) while being relatively compact and light. The key of these arms amazing ability lies to its operating principle and its clever inner workings.

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