Teen Builds Hi-Tech "Helping Hand" - NBC 6 South Florida

    Teen Builds Hi-Tech "Helping Hand"

    A Pennsylvania teenager's prize-winning science fair experiment could end up changing lives. His "Helping Hand" is a voice-controlled robotic grasper that only responds to its assigned user. (Published Friday, Mar 29, 2013) A Pennsylvania teenager's prize-winning science fair experiment could end up changing lives. His "Helping Hand" is a voice-controlled robotic grasper... See More