Word: sprucing
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Dates: during 1990-1999
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...from rolling laterally in air. Recognizing that a propeller isn't like a ship's screw, but becomes, in effect, a rotating wing, they used the data from their wind-tunnel experiments to design the first effective airplane props--a pair of 8-ft. propellers, carved out of laminated spruce, that turned in opposite directions to offset the twisting effect on the machine's structure. And when they discovered that a lightweight gas-powered engine did not exist, they decided to design and build their own. It produced 12 horsepower and weighed only...
...gust of wind. But with help from their wind tunnel, the brothers amassed more data on wing design than anyone before them, compiling tables of computations that are still valid today. And with guidance from this scientific study, they developed the powered 1903 Flyer, a skeletal flying machine of spruce, ash and muslin, with a wingspan of 40 ft. and an unmanned weight of just over...
Today the Navajo Nation is but one of many tribes in which some members believe they can exploit their natural resources with minimal risk while others don't want to take any chances. In Alaska spruce forests that served as traditional hunting grounds have been clear-cut by Tlingit loggers. Florida's Miccosukee Indians are attempting to build housing within Everglades National Park, while Utah's Goshute are actively seeking a nuclear-waste dump. And last year Arizona's White Mountain Apaches, protecting their logging and cattle interests, declared that federal agents would be forbidden to enforce the Endangered Species...
With ropes, Butterfly hoists up supplies hiked in by an eight-member support crew, who identify themselves by such econames as Spruce and Thor. She detached herself from a safety line after a few days and climbs barefoot through the tree for exercise. She hasn't had a bath since December, but she makes do by swabbing herself down. It has been cold lately, and windy, so at night she wraps herself tight in a sleeping bag, leaving only a small hole for breathing. Beneath an electric blue tarpaulin draped around the branches, she cooks vegan meals on a single...
...goals with the project are to spruce the Common up, to enhance it," she said...