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This is Dyson's latest invention: The Dyson Air Multiplier™. The fan
works very differently to conventional fans. It uses Air Multiplier™
technology to draw in air and amplify it 15 times, producing an
uninterrupted stream of smooth air. With no blades or grill.

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Air is accelerated through an annular aperture. This creates a jet of air that passes over a 16° airfoil-shaped ramp, channeling its direction. Using an airfoil-shaped ramp (like a cross-section through an airplane wing), airflow is amplified 15 times.

Blades cause buffeting - The blades on conventional fans cause unpleasant buffeting because they chop the air before it hits you.

No blades. No buffeting - Air Multiplier™ technology amplifies surrounding air, giving an uninterrupted stream of smooth air.

tags:
This is a great idea to conserve energy. Since it its getting colder, this is perfect than those electric fans that don't produce that much.