Tiny Delivery Robots
It's new and still being tested, but promising as delivery of a therapy or drug to a precise spot. Meet the millirobot which is small enough to sit on the end of your finger. It was invented by a mechanical engineer at Stanford University. See the video and discover its possibilities at: Stanford News Service
Always the double edge sword - this amazing invention could be used for good or bad. Hopefully, it is only used to help and heal.