But he never lost sight of his original dream: to endow robots with a sense of touch. A: A human finger has soft, sensitive skin, which deforms as it touches things. As for robotics, tactile sensing is mainly a research topic right now, but we expect it to increasingly be useful in industrial robots. Sensing temperature helps you tell whether something is metal or wood, and whether it is wet or dry. Big hands, small hands, hands with three fingers or six fingers, and hands we can’t even imagine today.