Sun, Apr 21, 2019

'Flying wind mills' and nuclear waste: The future of energy?

Iowa State University researchers are testing wind turbine towers that stretch about 400 feet in the air, pushing turbines as high as 801 Grand Ave., the state's tallest building. (Photo: Contributed/Iowa State University)
Iowa State University researchers are testing wind turbine towers that stretch about 400 feet in the air, pushing turbines as high as 801 Grand Ave., the state's tallest building. (Photo: Contributed/Iowa State University)
Tech-Science  | 
USA Today

Several startups are investigating approaches to tapping wind energy at high altitudes. Altaeros Energies, for example, is building wind turbines inside helium gas-filled industrial blimps that are tethered to the ground to generate electricity.

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