As shown at left, it’s possible to use helium ballons to lift a wind turbine high into the troposphere, where wind currents are stronger and more stable than they are near the Earth’s surface. Experiments with such devices have been …
As shown at left, it’s possible to use helium ballons to lift a wind turbine high into the troposphere, where wind currents are stronger and more stable than they are near the Earth’s surface. Experiments with such devices have been …
