A robot arm that can pick up fragile objects has been approved by US medical authorities. Known as the Deka Arm, it has fingers that can move like real ones which makes it easier for amputees to eat, zip up clothes, and even unlock doors. Current devices are based on metal hooks and other designs which are over 100 years old. The Arm was developed with $40 million of research from the US Defense Advanced Research Projects Agency (DARPA) along with another $100 million to help the research project and improve the range of robot limbs. Most of the improvements on prosthetic limbs has been focused on the legs rather than arms or hands. This new prosthetic arm has been designed to look more realistic than the split metal hooks designed in 1912.
http://www.bbc.com/news/technology-27373329
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