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                     'Metal Muscles' Flex a New Bionic Hand

   by George Putic

   Artificial limbs, including the most complex of them ' the human hand '
   are getting more life-like and useful dut to constant advances in tiny
   hydraulic, pneumatic and electric motors called actuators. But now, as
   VOA's George Putic reports, scientists in Germany say the future of the
   prosthetic hand may lie not in motors but in wires that can 'remember'
   their shape.
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   [1]http://www.voanews.com/media/video/metal-muscles-flex-a-new-bionic-h
   and/2883861.html

References

   1. http://www.voanews.com/media/video/metal-muscles-flex-a-new-bionic-hand/2883861.html