Sir James Dyson has made a mint selling the story of his dogged pursuit of the vacuum cleaner that "never loses suction." But Dyson's newest product doesn't suck. It blows.
That's right, Dyson's newest invention is a room fan—a bladeless fan—called the Air Multiplier. And it turns out that the Air Mulitiplier might never have been invented at all, if Dyson's engineers didn't notice something strange was happening during testing of another product, the Airblade hand dryer.