Word: shipping
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...skin. How could that coat have been punctured? There are still only theories, but here is what we do know: new temperature records reveal that the heat in the left wheel well began to increase when the shuttle was still over the Pacific, heading for California. That suggests the ship sustained damage in orbit, but began to feel the effects only when the temperature rose during re-entry. "In a large number of cases," says retired Admiral Harold Gehman, head of the investigation board, "what you find in the end has no bearing on what you thought...
NASA investigators made a major breakthrough last week in their investigation of the Columbia disaster, determining that the shuttle's breakup may have been caused by plasma--superhot gas--leaking into the ship's wheel well. The revelation came as a surprise to many, but not to longtime NASA watchers. They had heard a similar story almost 40 years before...
...entitled "The Guinea Voyage" (1789), in part of which he depicted the birth of a baby in the wretched squalor of the slave decks. (Art and life were not so distinct: the black poet Ignatius Sancho, who later became a figure in literary London, was born aboard a slave ship en route from Africa to the Spanish West Indies in 1729.) In 1805 the Irish immigrant and repentant slaver Thomas Branagan published two huge epic poems against slavery, including the autobiographical "Penitential Tyrant; or, Slave Trader Reformed," and boldly sent copies to Thomas Jefferson, then President, who responded guardedly...
...shuttle descends, air moves smoothly 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...
...Challenger--suggesting either post-9/11 grief fatigue or an acceptance of the risks of space travel. Seventy-one percent did say space flight is worth the risks. But 64% want all shuttles grounded until the problem is fixed, and only 49% want money to be spent on a ship to replace the lost...