10-13-2009, 02:39 PM
http://www.ft.com/cms/s/0/5ba62a00-b755-...ab49a.html

http://www.telegraph.co.uk/technology/ne...s-fan.html

http://www.telegraph.co.uk/technology/ne...s-fan.html
The Air Multiplier works by sucking in one unit of air at the base, and pushing it out at speed through a thin gap in the fan's ring.