Word: detects
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Dates: during 1930-1939
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...public appealing, is of especial value to the man who expects to take an active place in the business and professional world. Here, with all the paraphernalia of phonographical recordings of his voice, actual dinners to test out the principles of good after dinner speaking, and instructors trained to detect flaws in the student's method of preparing a speech and in the technique of his delivery, a man is enabled in the short space of half a year, if not to make a perfect public speaker of himself, at least to rise above the mediocrity which...
...Hawk-eye" -- all these are familiar epithets applied to Mr. Apted in the Crimson. When the students steal a bell clapper, Mr. Apted is discredited before he starts work on the case. If he apprehends the practical jokers, he is cursed roundly in undergraduate editorials. If he fails to detect the men implicated he is sneered at and reviled...
...aware, like other experimenters, that cerebral tumors frequently nudge the olfactory centres of the brain, blunt the sense of smell. But sharpness of smell is so inconstant and the weak human nose can detect such minute quantities of a substance, that precise measurement seemed hopeless. Then Dr. Elsberg tried having the subject hold his breath while whiffs of air saturated with coffee or lemon oil from a stoppered flask were pumped up the nostrils, directly against the ends of the olfactory nerves. He found that in normal persons a fairly constant and easily measurable quantity of scent-laden...
...ground was detonated. The earth tremors were recorded on a seismograph mounted on a truck some distance away. From the shock record the speed of the tremors was deduced, and from that the geological character of the ground. Also on view were gravity instruments so sensitive that they detect the moon's tidal pull on the earth. With such equipment, said Research Director Paul Darwin Foote, the chance of a drill striking oil has been increased from...
...thong to which was attached a small leather-covered cylinder. When suspended over gold-bearing ground, the indicator was supposed to vibrate. Explained Septuagenarian Haas: "I call it a mineral vibrator. . . . The principle on which it works is affinity with affinity. I have to have a gold affinity to detect gold. . . . My instrument is loaded with affinity. ... I tune in with my gold vibrator. It is like a radio. You dial until you get a certain station. . . . When I take it in my hands I am dialed in for gold...