Word: fractionalism
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Dates: during 1950-1959
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...ammonia fuel. The emergency fuel-ejecting system and a dozen other complex gadgets will be air-checked. On another flight the X-15, probably with Crossfield at the controls, will be dropped to glide without power to earth. Then will come the first tentative powered flights, using only a fraction of the engine's 50,000-lb. thrust. Finally the X-15 will point almost vertically upward and climb like a missile until it leaves nearly all of the atmosphere behind. It may rise 150 miles traveling at Mach 4. If it returns from this jaunt with its wings...
Most of these drowned cities are unexplored and unaccounted for. No one knows how their ruins got so deep underwater; the general level of the Mediterranean has risen only a fraction of an inch since glacial times. Gargallo hopes that his underwater ruins may hold the answer to some Etruscan mysteries. "Water," he says, "is destructive, but it can also preserve. Mud gives protection from time, weather and greedy hands. If the sea bottom is undisturbed, some relics last almost indefinitely...
...Prices remarkably stable; wholesale prices dipped a fraction to reach a ten-month...
...gauze mask worn by generations of doctors and nurses slows down the spray of germs from their breathing, but eventually lets a dangerous proportion get through. Last week two Minneapolis surgeons described a radically new mask that allows only a small fraction of the germ spread and should markedly reduce the number of infections in surgical wounds...
...attack through the thalamus, part of the central nervous system which relays many pain impulses to the higher perception centers. Biggest drawback: the thalamus, tucked away in the middle of the skull, is hard to get at, and early operations on it often missed the target by a fraction of an inch...