Honda's ASIMO can walk, run, and climb stairs, but why can't he do T'ai Chi? Our traditional models for robotic motion are all wrong; nature figured out a far more efficient way hundreds of millions of years ago. In a few years, the phrase "moving like a robot" will have a completely different meaning. Why is nature's way better? How is it more efficient?What can we take from this idea to have our own machinery work with greater efficiency and fewer creaks and pops? Less