Wind turbines are a wonderful invention, producing clean energy from an abundant natural resource: the wind. Since the oil crisis in the 1970s, we’ve continuously developed new and more efficient wind turbines. Key to an efficient wind turbine is a steady flow of… you guessed it, wind. The higher in the sky, the stronger and more constant the wind. This poses a challenge as it requires us to build quite tall wind turbines to reach this “sweet spot”.


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