Word: knocked
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Dates: during 1940-1949
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Mesons are mysterious, short-lived particles knocked out of .atomic nuclei. It takes a lot of punch to knock them out. Before the 4,000-ton cyclotron developed sufficient punch, the only mesons in captivity had been trapped in the wild. Dr. Carl Anderson of CalTech found their characteristic tracks in a cloud chamber. Other scientists found two types, heavy and light, in photographic plates exposed on high mountains. All had been formed by cosmic rays, the enormously powerful particles that strike down out of space. No man-pushed particle was strong enough to engender a single meson...
...cyclotron at Berkeley is just barely strong enough. Dr. Eugene Gardner, 35, and Brazilian-born Dr. C.M.G. Lattes, 23, put a thin carbon target in a beam of alpha particles (helium nuclei) in the cyclotron chamber. Figuring that the alpha particles had enough power (380 million electron volts) to knock mesons out of the carbon atoms, Gardner & Lattes put a stack of special photographic plates at the spot where the mesons should hit. Then they turned on the cyclotron. When they developed the plates, they found the characteristic wavy tracks of negative mesons. Some of them ended in "stars...
...first," wrote one boy, "I was just waiting for the ten days to be up so I could knock the socks off my sister. But as the days went on, I started to think differently. My parents were amazed I could be so generous and thoughtful." In another school, a little girl who had been fiercely anti-Japanese wrote a theme on tolerance. "If a Japanese came to my school," she said, "and asked me for a pencil, I wouldn...
When the Town Hall is burning, the jail opened, and the looters swarming in the streets, Huguenau, the deserter, perceives Esch, the visionary, walking ahead of him. "Should he knock him over the head with the rifle butt? No, that would only be silly, what was needed was something that would end the business for good. And then it overwhelmed him like an illumination-he lowered his rifle, reached Esch with a few feline tango-like leaps, and ran the bayonet into his angular back. To the murderer's great astonishment, Esch went on calmly for a few steps...
...uncongenial opponent manages to throw the switch that spoils the record. Last fall's soccer aggregation, roaring through the first half of its season unbeaten, fell to Dartmouth at the halfway mark and never quite shook it off; and once again the Big Green seems to be waiting to knock off a Crimson group, this time the swimmers, who have bowled over M.I.T., Brown, Army, and Navy with apparent ease...