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The Dyson Air Multiplier Doesn’t Suck, It Blows | Editor’s Desk | Fast Company

“Normally, fans create moving air by chopping and pushing air, with angled, rotating blades. The Dyson Air Multiplier, by contrast, blows just a single sheet of air, from a thin opening towards the rear of it’s circular wing. (The fan is driven by a motor similar to those in jet turbines and turbochargers.)

The 16-degree slope of that wing creates negative pressure around the moving air sheet—thus sucking more air along for the ride. All told, the air emanating from the fan gets multiplied 15-fold. So, while the Dyson actually blows relatively little air, it eventually generates a substantial breeze—about 118 gallons of air per second, which is comparable to other, upper-tier fans. (By comparison, a Vornado 9” blade fan pushes around 35 gallons of air per second.) Since the fan isn’t chopping the air, the wind it generates doesn’t buffet you. It isn’t turbulent. It feels uncannily like a natural breeze.”