Word: timer
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...accuracy of one part in 10 billion-the equivalent of a clock that would gain or lose only 1/300th of a second per year. Then, twice a month for the next half a year, he will match the rate of incoming pulses against a cesium clock, an atomic timer that is accurate to one part in 10 trillion...
Test by Trials. By following the same procedure, highway police can get the speed of approaching cars. If the patrolman has measured and locked in the distance between two fixed points in advance, he can park unobtrusively off the road, clock the speed of motorists simply by turning the timer on and off as they go past. Already in use in 14 states and now being evaluated by 33 others, VASCAR, which was invented by Arthur M. Marshall, a Richmond real estate agent and lifelong tinkerer, will soon come out in a more sophisticated form, with a digital computer...
Captain Wayne Andersen lost a tight duel with Army's Van Evans in the 60--their third head-to-head contest of the year. The little sophomore Cadet nosed Andersen out again in a photo-timer finish and tied Aggery Awori's meet record, set in 1963. Andersen's 6.2 time equalled his personal mark...
...disagreement over something that patients have long taken for granted: the safety of dental X rays. Although the A.D.A. has been encouraging the use of safer X-ray machines for years, many devices of antique design still adorn countless offices. Some have not even been equipped with an electronic timer, available since 1955, to go with the use of high-speed film and cut the exposure time to a fraction of a second. The vast majority still have, at their business end, a plastic cone three or four inches long. This makes aiming easier, but, unless specially insulated, it permits...
...serving with the United States Armed Forces in Vietnam. Mr. Carmichael is reported to have indicated that "40 per cent of the men in the front line" and "some 20 per cent of our casualties" were Negroes. On the other hand, Mr. Gene Grove writing in the New York Timer Magazine of July, 24, 1966 reported that Negroes constitute 18 per cent of the combat units in Vietnam, rather than the figure 40 per cent given by T.H. Boyer...