Fan Without Blades
“Dyson, the company behind those amazing but expensive vacuum cleaners, has invented a new kind of fan. The bladeless device looks like a giant hi-tech bubble wand and puts out an uninterrupted stream of smooth “amplified” air.” From Salt Lake Tribune (http://www.sltrib.com/technology/ci_13594551)
Image taken from http://www.dyson.com/fans/default.asp