Word: dusts
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Dates: during 1960-1969
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...source with every possible technique, but they could not identify their target. Theories, however, are plentiful. Some astronomers believe that the X rays come from a very large concentration of stars near the center of the Milky Way galaxy that are otherwise invisible because of obscuring dust. Professor Bruno Rossi, M.I.T.'s cosmic-ray expert, doubts this idea because those stars would have to be producing more than 1,000 times as many X rays...
...horseless-carriage accessories, then with "electric suction sweepers." Vacuum cleaners were by no means new; the first U.S. suction cleaner had been patented in 1869, and seven other models were on the market when the Hoover family began. But the Hoover Co. added an agitation bar to beat the dust out of rugs, leading to a famous old advertising slogan, "It beats as it sweeps as it cleans." Grandfather also pioneered in advertising nationally, offering ten-day free trials and building a door-to-door sales force. That force eventually numbered 6,000 salesmen, who first tossed dirt and grass...
...Traviata." As the last notes hang amid marble frescoes high above, the band is still heard outside in the blazing courtyard. And while the villagers push and shove for a view, the Prince and his family sit in special pews near the altar, their faces ashen frm the dust, their heads hanging limply from their necks, their eyes bulging with fatigue...
...feet in diameter and mounted above the ground on steel legs, begins to follow the sun in its path through the sky. At the focus of this dish a complex antenna system receives the signals from the sun as they are reflected off the wire screen. In the nearby dust-proof laboratory building, electronic equipment analyzes the solar data...
...sequined tent of a Moroccan chieftain sat a dark-haired beauty. And before her on a dusty plain, a multitude of bearded Berber tribes men played at war for her amusement. Outside the ancient, mud-walled city of Marrakech, the turbaned warriors wheeled and galloped, sending great swirls of dust toward the tent, fired their silver-banded muzzle-loaders into the air in thunderous explosions of good black powder...