Word: shell
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NASA has gone to extraordinary lengths to make sure the RTGs are safe. Each of the 144 plutonium pellets in the generators, designed by General Electric, is surrounded by an iridium shell. Coated pellets are then encased by two graphite shells and finally by an aluminum shroud. The U.S. Department of Energy has spent $50 million testing the generators. In one experiment, engineers fired shrapnel traveling 700 ft. per sec. at the iridium casings. None was pierced. In another test, scientists tacked an RTG to a solid rocket booster and blew it up. No damaged graphite shells were detected...
...industry, as each side seeks to pass responsibility for meeting the standards on to the other. "The carmakers want to say 'reformulate the gasoline,' " says William Randol, an oil-industry analyst for First Boston. "But who will make the investment to do this?" He noted that Shell Oil has estimated that it would cost billions of dollars to develop new clean-burning gasolines...
...almost nothing but war. For a generation men have fought over the fabled ruins of Angkor Wat, the colonial palaces of Phnom Penh, and the rich rice paddies along the Mekong River, leaving more than a million Cambodians dead and their land in ruins. But at long last the shell-shocked country had something to cheer. Cambodians crowded the streets last week to hail the withdrawal of the last of the 200,000 Vietnamese troops who had occupied their country for nearly eleven years. Across the eastern border in Viet Nam, there was also celebration. Senior officials embraced the leaders...
...Perhaps Shell's coaching inexperience will hurt him. Davis doesn't care for now. He just wants one of his own back. Someone who knows...
...Shell is a winner. That fact is not determined by the color of his skin...