Daniel_Stuckey writes: "In far-flung rural Alaska, where electricity can cost as much as $1 per kilowatt hour — more than 10 times the national average, according to the New York Times — a wind turbine encased in a giant helium balloon is about to break a world record. The Bouyant Air Turbine (BAT) is about to be floated 1,000 feet into the air in the name of cleaner, cheaper, and mobile energy. That single airborne grouper—it's sort of a hybrid of a blimp, a kite, and a turbine—will power over a dozen homes. The BAT is the brainchild of Altaeros, a company founded by MIT alumni, and, if everything goes according to plan, it's going to be the highest-flying power generator in history. Since winds blow stronger and more consistently the higher above the ground you go, and the hovering BAT harnesses that gale and sends electricity down to earth through the high-strength tethers that also hold the machine steady. "
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