Word: electronic
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Dates: during 1930-1939
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...recourse to modern laboratory experiments which show radiation transformed back into matter. Every physicist under 35, he declared, would agree with him that such demonstrations are valid. What apparently happens is that the quantum of radiation, scoring a hit on an atomic nucleus, vanishes and gives birth to an electron and a positron-i.e., particles of matter. The quantum of radiation is "mathematically irritated" by the atomic nucleus into giving up its existence. Here Dr. Swann ran into the difficulty that in his sea of radiation there would be no atomic nuclei to provide irritation. He wiggled...
...rarer, the shorthand economic diatribes more frequent. Hopeful speculators who try to plot the curve of Poet Pound's current issue will be sadly shaken as it zooms from the 18th Century to the 20th, bumps down to the 15th, changes its orbit as unpredictably as a wayward electron. Speculators may not get far with Poet Pound, but steady observers will note a contemptuously indignant attitude toward civilization in general, bigwigs in particular, will note also a powerfully satiric effect...
...Ceylon, from the Equator to within 350 miles of the North Magnetic Pole, they have carried a cosmic quest which has cost at least two lives. It has been found that cosmic rays are either particles of matter or units of radiation, or both, with energies of billions of electron volts, energies beyond the power of any man-made device to reproduce. They bombard Earth continually from all directions. The most powerful can penetrate 3,200 ft. of water or 290 ft. of lead. Estimate: 30 cosmic rays pass through every human body every second. And it is suggested that...
...must be. They told of experiments presaging the production of a radio-phosphorus which would emit neutrons (emitted by no natural radioactive substance). And they spoke of work indicating the existence of the neutrino, an ultimate particle lacking electrical charge like the neutron, but small in mass like the electron. Many a physicist has held the neutrino's existence called for on theoretical grounds, has hesitated to sign its birth certificate because it eludes experimental observation...
...Like the electron, the gene has eluded the eye of Science while manifesting itself by its works. "Gene" is the name by which geneticists agreed to call the mysterious heredity-transmitting agents strung along the length of the chromosome. As minute streaks in body cells, the chromosomes were visible under the microscope; their component parts were not. Last week a long step toward visual study of genes seemed to have been taken by Dr. Calvin Blackman Bridges of the Carnegie Institution, working at the Station for Experimental Evolution in Cold Spring Harbor...