For decades, wind turbines have followed the same basic design: towering structures fitted with enormous rotating blades that convert wind into electricity. As manufacturers compete to build ever-larger turbines with blades stretching more than 100 metres, one Spanish company has taken a completely different approach. Instead of spinning blades, its device is a slender vertical mast that oscillates with the wind to generate electricity. Developed by Vortex Bladeless, the technology weighs only a fraction of a conventional turbine and has no rotating blades at all. Although current prototypes generate far less electricity than utility-scale wind turbines, researchers believe the concept could offer new possibilities for small-scale renewable energy in places where traditional turbines are impractical. Its simpler design could also reduce maintenance costs, minimise risks to birds and bats, and make wind power more accessible for homes, remote communities, and urban locations where large conventional turbines are difficult to install or operate efficiently. Engineers are continuing to refine the technology to improve its efficiency and durability, with the goal of expanding its practical applications. While it is unlikely to replace conventional wind farms, the bladeless concept could complement existing renewable energy systems in locations where traditional turbines are unsuitable.
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