EditorialJaime Silva, the technology chief of Fusion Fuel, which is developing a solar-powered hydrogen generator, in Almargem do Bispo, Portugal, Aug. 30, 2022. (Matilde Viegas/The New York Times)
EditorialWind power. An oriented wind turbine has a high-speed generator running at the speed of the typical electric machine (1,500 rpm). This allows the use of a standard compact generator, but requires a complex gearbox between the rotor of the wind turbine ...