The world is three-dimensional and we capture that information by the retina. Narrator: robots today can see only in two dimensions. Kanade: in the case of TV camera, we are capturing the environment onto two-dimensional-Chip plane. Mathematically speaking you projected three-dimensional world onto two-dimensional plane so you lost one dimension, that is, the depth or distance. ... It's designed to be useful around the house-- to stand eye-to-eye with a person in a wheelchair or to see across a low japanese table. Eventually, the company hopes to make humanoids that can travel and work anywhere you can. A whole line of take-home robots. Man: I believe robots can be very useful to people in houses and in streets and hopefully, in many other places.