Word: knocks
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Dates: during 1930-1939
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...Hahn estimated the force of his explosion at 200,000,000 volts. There was no audible or visible violence, for the reason that the total quantity of energy released was not enough to knock a fly off the wall. It was a terrific explosion on a microcosmic scale. Enormous voltages impressed on sub-atomic particles will accelerate them to enormous speeds, but they are so infinitesimally small that the quantity of energy is negligible by ordinary standards.* But in the atomic world a force of 200,000,000 volts has hitherto been recorded only in cosmic ray showers, never...
...beings. The cyclotron whirls ions of heavy hydrogen (deuterons) between the poles of a huge electromagnet, then hurls them into a drumlike vacuum chamber. When they are charged with nearly eight million volts of energy, the ions are shot against a target of light metal, usually beryllium. The bullets knock out streams of neutrons, tiny particles about the same weight as protons but carrying no electric charge...
...pluck Cuba from under the heel of bloody President Gerardo ("The Butcher") Machado. That chunky brown soldier, Fulgencio Batista y Zaldivar, organized a revolt against Ambassador Welles's dummy President Carlos Manuel de Cespedes, made himself Cuba's army chief and proceeded to set up and knock down presidents of his own in a way that has made Dictator Machado look almost constitutional...
...that the events which took place in September have put the whole Spanish conflict into a new perspective. If the nations of Europe escaped the great catastrophe in the acute Czechoslovak crisis, surely nobody can make out with that recollection in their minds that they are going to knock their heads together over Spain...
...Coach Carr defined the clash with the Bruins, who came up from Providence with "an inferior record" but inspired play. This League business is definitely a headache for the coach, because Harvard, being near the top, is continually on the defensive. "Every team comes down to knock us off," he complains, but Carr is confident that the Johnson outfit won't be stopped by the Elis...