A revolutionary ultrasonic attachment for taps boosts water's ability to clean. Tim Leighton, professor at University of Southampton, and Peter Birkin's device works with cold water, minimal additives and consumes as much electrical power as a light bulb.
http://ummid.com/news/2011/November/10.11.2011/ultrasonic_nozzle_fr_clean_water.htm
http://ummid.com/news/2011/November/10.11.2011/ultrasonic_nozzle_fr_clean_water.htm
