Word: wingspans
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Dates: during 2000-2000
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Feeding off of this energy from the sidelines, the Crimson played with both electricity and tenacity. Eight minutes into the second half, freshman forward Hana Peljto rejected a shot and, when the Huskies recovered the loose ball, used her wingspan to force the next shot off its mark. Before her defensive hustle could be applauded, however, she raced down court to calmly collect a feed and bank a five-foot jumper...
That impressive wingspan will enable most in the U.S. and elsewhere around the world to spot it with the naked eye, provided they know when to look. The best time to see the station--which will resemble an extremely bright star flying west to east--will be shortly after dusk. Knowing which days it will be visible is trickier. Since Earth takes 24 hr. to complete a rotation and the station--which orbits at a 51.6[degree] inclination--takes only a zippy 92 min. to circle the planet, it will pass over a different part of the U.S. every time...
...triple the size of a hang-glider-size plane and triple its wingspan to 90 ft. while keeping its weight the same," MacCready explains, "the power needed to fly it goes down by a factor of 3, to about 0.4 horsepower." And that, he knew, was what a trained cyclist could pump out for several minutes at a stretch...
Another collaboration, with the Department of Defense, has produced a surveillance micro-aircraft with a wingspan of only 6 in. Equipped with a camera, it can fly at speeds of up to 43 m.p.h. And in the works, MacCready says, is an even more diminutive craft that will weigh only half an ounce, including controls, camera and transmitter...
...macro scale, AeroVironment designed and built the Pathfinder, a six-engine, battery-powered, unmanned plane with a 121-ft. wingspan that in 1998 flew to an altitude of 80,400 ft., higher than any propeller plane has ever flown. The Centurion, a successor model with an enormous wingspan of 206 ft., is using solar cells, and, says MacCready, "we're expecting to fly it to 100,000 ft. in late spring." The ultimate descendant of these craft, the Helios, will have a fuel-cell energy-storage system to provide power for flying at night. That will enable the plane...