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...satellite in distress is Intelsat-6, designed to carry international telephone traffic. It was launched in 1990 but was stranded 345 miles up -- about 22,000 miles short of its assigned orbit. The astronauts will pull the 4.5-ton satellite into the shuttle's cargo bay, strap a booster rocket onto it and send it on its way. Then four of them will suit up and go outside to try out construction techniques that will be used on the U.S. space station, Freedom, scheduled to be built by the late 1990s. They will also test the "astrorope," a device astronauts...
...Chilean pavilion has a 60-ton iceberg in an indoor pond. But it's the well-conceived, meticulously wrought Norwegian pavilion that triumphs in the ice-water category. In fact, Norway's building, a witty, sublime little Constructivist jewel box designed by Oslo architect Pal Henry Engh, is among the best at Expo...
Angel's approach relies less on intricate control systems and more on vitreous wizardry. The 10-ton mirror he and his colleagues plan to install in Arizona -- merely a warm-up for some 8-m versions -- boasts a light-collecting surface that is nearly as wide as a house is tall, yet it averages only 2.8 cm thick. What prevents this marvel from fracturing under its own weight is a supporting truss composed of thousands of glass ribs that are cast as part of the mirror's underlying structure. Arrayed in a striking hexagonal pattern, the ribs form an airy...
Usually, advice like this costs a ton of money. Readers of this letter are lucky: They can get this and more for $8.95 when they buy Getting To Yes: Negotiating Agreement Without Giving In (Penguin Books, 1981). You'll have to excuse me now; I think I hear the folks from Science B-29 knocking at my office door. Paul O. Mayer '88 Teaching Fellow...
...Crimson often asks its readers to recycle their papers when finished. As Recycling Coordinator, I am happy to say that these requests seem to work. Every week, thousands of Crimson issues are among the six tons of newspaper we truck off campus for recycling. However, recovering discarded paper is only half the job of recycling. The other half is buying recycled. Unless consumers express a purchasing preference for products made from recycled paper, backlogs of post-consumer paper will pile up in dealers' yards. Because demand for products made from recycled newspaper hasn't caught up with the supply, Harvard...