Word: electronic
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Dates: during 1940-1949
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...electrically charged particle from outer space) approaches the earth, it is deflected by the earth's magnetic field. If it is speeding fast enough, it slams through this interference and plunges into the atmosphere. The most powerful particles, whose speed gives them an energy of 14 billion electron-volts, can reach the earth at the equator, where the magnetism is strongest. At the latitude of Philadelphia, two billion volts is enough...
...learn the molecular inwardness of the matter, the kinetic mechanism with all its defects serving as a ladder toward specific experimental inquiry. He is not so crude as to look for a nexus of springs pulling dashpots through baths of hydraulic oil when he peers at muscle fibers in electron microscope pictures, though this kind of model has had brilliant uses for some purposes. On the other hand he knows in a practical way, as the logician knows, that reasoning by analogy from dynamical properties of the model is liable to stumble over imperfections in the analogy...
...hospital is the first unit in the $8,500,000 cancer center which will be completed in 1951. The second unit will be the Atomic Energy Commission's Argonne Cancer Research Hospital. Also under construction are a $2,200,000 synchrocyclotron and a 400-million electron-volt cyclotron in the new Accelerator Building. The complete project will be the first university center devoted exclusively to the study of cancer...
...virus may be one of the causes of cancer, researchers have long suspected. In 1936, a viruslike "milk factor" was discovered in mice. Last week a five-man Columbia University team reported that it had succeeded, after twelve years of work, in isolating, identifying and photographing (in an electron microscope) a virus that causes breast cancer in mice. The virus is so powerful that an injection of eight one-thousandths of a gamma (a gamma is one-thousandth of a milligram) produced cancer even in male mice. Next step, already started: trying to make mice immune to the virus...
Holt studies the region high above the earth, where the sky is always black and the temperature may be 1000 degrees. By working in a Jefferson Hall laboratory, he is learning the processes which might explain the nightly disappearance of the electron cloud...