wireless

A team of computer scientists from the University of Washington have developed a gesture recognition system that uses no batteries and offers the ability to control electronic devices with hand movements. The prototype utilizes existing TV signals for power and sensing hand gestures.

Toyota is currently testing a new wireless charging system for plug-in hybrids and electric cars in three homes in Japan. The system is comprised of a unique electromagnetic coil set that is in the ground and uses inductive battery charging methods that could eliminate the use of wires and plugs.