Word: heating
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...over the wings until, at about 150,000 ft., it begins to churn and swirl. As long as the shuttle is moving slowly enough, at about 6,000 m.p.h., it can handle the transition. If the shift happens higher in the atmosphere, when the ship is moving faster, the heat and stress increase dramatically. This can sometimes make a shuttle pull to one side--just as Columbia did. Early turbulence can be caused by sudden shifts in air density, but it can also be caused by pitting on the wings or otherwise ragged tiles...
...designation often given to refugees uprooted by war?become disoriented and depressed. Some take to cheap vodka; brawls are common. But Bayarsakhan says, "I can't afford to drink." Children here are malnourished and sometimes abandoned, says Didi Kalika, who runs a local orphanage. Some residents can't afford heat. Domestic violence flares. Families split. "There have been suicides," whispers Dulamgav, 63, who settled in Chingeltei last year. "The nomads are exhausted," says Rabdan Sambandobji , secretary-general of the Mongolian Red Cross. "If it were only a matter of food and shelter, they would eventually be okay. But these animals...
That this macabre imagination is coupled with dazzling craftsmanship gives the designer his heat. Beneath the shock of his antics is a natural talent coupled with technique acquired as a teenage trainee on Savile Row, the London street celebrated for handmade suits. After an apprenticeship of Dickensian harshness, McQueen harnessed his skills to the construction of cunning jackets, curved to just conceal the breasts, and trousers, called "bumsters," slung so low as to be rude...
That is the bare-bones version of the story. Many scientists think more than that was needed to put Antarctica in its present deep freeze. Among their favorite candidates: a reduction of heat-trapping greenhouse gases, notably carbon dioxide. Supporting this idea are the provocative data scientists pulled from an ice core taken near the Russian station at Vostok. That ice, notes Marchant, contained bubbles of air that spanned the past 420,000 years, and the carbon dioxide in those bubbles tracked the temperature swings that mark the beginning and end of glacial cycles...
...second explanation might be a loss of tiles leading to a burn-through. (The shuttle is covered with heat-resistant tiles to protect the craft and those inside it from burning up in the scorching temperatures caused by the friction of reentry.) But I think that explanation is unlikely, because the tile-loss would have had to have been quite substantial for that to become possible. You'll hear a lot in the next few days about things falling off the shuttle during liftoff. But it often happens that they lose a few tiles, and I'd be surprised...