Word: leaded
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Dates: during 1950-1959
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...Vatican attitude, as one diplomat put it, "could theoretically lead to a better atmosphere between the church and Communism. The first move, though, must come from the Communists." The church's price is likely to be high, involving vastly increased religious and educational freedom in Communist countries...
Although the magic laws of Newton pointed clearly into the sky, no one apparently followed their lead until a shy, deaf, self-educated Russian schoolteacher, got to thinking about air travel in the 1890s. Konstantin Eduardovich Tsiolkovsky, born in 1857, wrote about space flight with amazing prescience. He chose the rocket as the only possible space engine and derived mathematically the speed that its exhaust gases would have to attain. He decided that it should burn liquid fuel. This conclusion he published in 1898, when not even an airplane had left the ground...
...they were not crude. They had all the essential features that later rockets needed to fly out of the atmosphere, including gyroscopic guidance and combustion-chamber walls cooled by flowing fuel. The German V-25 that caused a sensation toward the end of the war followed Goddard's lead without basic innovations...
...swept past the moon, but they would be grateful for any information that the Russians choose to release. Dr. Kuiper believes that the moon's surface is blazing with radioactivity. On the earth, he says, the thick layer of air is the shielding equivalent of 3 ft. of lead or 33 ft. of water, protects the surface from many kinds of tough radiation beating down from space. Kuiper believes that the moon is radioactively contaminated to a depth of 30 ft. below the surface...
PEBBLE BEACH, Calif.--Julius Boros and Billy Maxwell unleached birdie barrages Thursday and tied for the opening day lead with five-under-par 67 in Bing Crosby's $50,000 Golf Tournament...