Word: heavier
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Dates: during 1970-1979
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...normal number of commuters, has reactivated mothballed equipment. Municipal agencies and many firms have staggered working hours, giving employees the option to come in any time between 8 a.m. and 10 a.m. and leave after putting in eight hours. Police are lenient about parking violations. City traffic is heavier, but moving smoothly...
...average 20 m.p.g.; by 1985 the average must be 27.5 m.p.g. That is now an impossible goal unless auto engineers make dramatic-and unexpected-breakthroughs in engine efficiency and the use of lighter metals for body construction. Says Schlesinger: "A lighter car that gives 25 m.p.g., v. a heavier car that gives 12 m.p.g., is a relatively minor issue compared with not having cars...
...billion years. The stage that follows is short-lived. Its fires banked, the star is deprived of the outward radiation pressure. It contracts violently, driving the core temperature up again, until it reaches 200 million degrees. That is hot enough to ignite the helium, which fuses into a still heavier element: carbon. Its radiation energy restored, the star zooms back toward red-giant status 100 times faster than it took to get there the first time...
...when stars formed in the clouds of these two gases, they began the manufacture of the other elements now found in nature. That this sequence occurred seems to be supported by spectral-line evidence in starlight. Older stars, formed when the universe was young, have only traces of the heavier elements. Stars born more recently have more of the heavy elements produced by their predecessors. Those currently forming in interstellar dust clouds can be expected to have significant proportions of the atoms produced in celestial forges. Says Thaddeus of the clouds: "We can see the lovely fertilizer, this compost heap...
...cooking and a maid came by only once to clean the house. He only occasionally makes the trip down the street to Plains anymore. When Jordan arrived last weekend with more black books, Carter was up on a flat part of the roof raking off leaves. A man with heavier days and heavier choices ahead of him, Carter was hanging on to the pieces of his past that he treasured most, the home and people he will be leaving behind, the place where he feels closest to himself...