The present invention discloses nanotechnology clothing in the form of a glove, shirt, pants or suit that can be worn to track the motion of different parts of a user's body. This tracking is utilized to provide the computer system with an immediate input representing an interaction with a computer application or a 3D simulation of the user's body motion. The present invention is used with computers, mobile phones, and head-mounted computer displays serving a variety of gaming, entertainment, sports and medical applications.