New technology is making it possible for amputees to pick up small objects they never thought they would master thanks to the biggest innovation in prosthetic arms since World War. The video below is worth watching for two reasons. One, the amount of engineering and hard work put into these arms and legs is astounding. It should make any engineer applaud. Second, and more importantly, it shows people trying to fix a huge problem and pay back a debt we owe to the soldiers that defend our country.