What is nanotechnology used for today?

Nanotechnology is used in a lot of things for its lightweight, strength, conductivity due to the size of the structure. There is a new material called graphene which is being put to use in micro computers (e.g phones, iPads etc.). There is also the use of nanotechnology in space exploration with space shuttles being lighter and stronger, and in the gear that astronaughts use making it more lightweight etc. giving possiblities to go to Mars. It is being used in all aspects of the military with aeroplanes having more sophisticated weapon systems (lightweight rockets etc.). Also being used in sports equipment e.g tennis rackets to be lighter.