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...AERODYNAMICS 50% Proportion of the primary structure of Boeing's new Dreamliner aircraft, unveiled on July 9, that is made of carbon fiber and other composites instead of aluminum. The new materials will reduce the weight of the plane 20% Percentage by which the design of the Dreamliner will reduce fuel usage compared to similarly sized planes. But some environmental activists argue that the jet, which is smaller than its Airbus rivals, will result in more overall flights and therefore more air pollution...
Proportion of the primary structure of Boeing's new Dreamliner aircraft, unveiled on July 9, that is made of carbon fiber and other composites instead of aluminum. The new materials reduce the weight of the plane...
...employees and their guests to Boeing's Everett, Wash., facility in a manner fitting for what is the most successful, fuel-efficient commercial jetliner in history. To date, 47 carriers have ordered 677 of the planes. Carbon fiber composites make up 50% of the plane's material by weight (compared with only 12% in Boeing's last released jetliner, the 777), enabling Boeing to offer cost savings and more passenger comfort to airlines. But now that the celebrating is over, Boeing will need to buckle down to get the first jetliner of six ready for flight tests beginning in early...
...symbolic weight of this decision may actually be heavier than the practical effect. Church progressives, and indeed some conservatives, are asking why Benedict went out of his way to reopen a hot-button issue that, for the vast majority of Catholics, has long been settled. With traditionalists emboldened and progressives feeling under siege, the Church hierarchy and local bishops may wind up caught in the crossfire. Still, on a more substantive level, Benedict's real long-term objective may be a sort of "counter-reform" of the alternative practices of the new Mass rather than a widespread return...
...Whether it is yesterday’s unfinished newspaper still sitting on my kitchen table, or a postcard from a war years past, I like to touch my news, hear it crinkle, feel its weight in my hands. If I rub my computer screen so lovingly, it just gets dirty...