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Second wind


The smallest wave movements can be converted into electricity.

Air streams, meanwhile, power wind turbines. But their enormous blades take up a lot of space and only last for 15 years.

Instead of vibrating alternatives without blades, a founder from New York is backing a slender design whose vertical axis is divided into individual floors like a building.

Fixed blades mounted at intervals on the exterior guide the airstream inside, causing a horizontally installed paddle wheel on each floor to turn, and filling a hydraulically powered storage battery.

The energy can be used on the spot by companies or electric vehicles.

Wind turbines with warning systems could protect birds or (when decommissioned) provide a little something extra in playgrounds.

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