Newspapers / The Alleghany News and … / July 31, 1941, edition 1 / Page 2
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Motion Pictures Wt Move Sight1 is not instantaneous and t takes the eye a bit of a second 0 wipe out one picture before it s ready to receive another, says he Better Vision Institute. This ingering of pictures in the eye s known as persistence of vision. . A flash of lightning may last lor only about one hundred housandth of a second, but the mpression of the light persists n the eye for at least a tenth a second, says the Institute, f a bright spark at the end of a tick is rotated rapidly, the eye ees a complete circle of light. It is because of this persist nce of vision that modern motion Ictures are possible. Moving pic 'ares really never move while ley are thrown on the screen, ionsider a picture in which a erson is walking. Individual ictures at the rate of 20 per econd are projected on the :reen. In each picture the per »n is in a slightly different po rtion. They are projected, one t a time, on the screen. The ye sees the first picture for bout only one-twentieth of a acond. Then while this picture ersists in the eye for another tfentieth of a second, the screen 1 darkened by a shutter in the rojector before the next picture i shown. The eyes see about 0 pictures per second, with a ark interval between each pic ire. Every picture remains.per ictly still on the screen. The lm is moved only in the dark itervals when the shutter cuts ? the light. The pictures seem 1 move because persons and ob (cts vary their positions in the Iccessive pictures. 'ter an absence of a few days. Mrs. Carl Rash, of Forest Hill, d., and three of her children •e visiting her parents, Mr. and irs^J. M. Estep. ’Uncle Bud Edwards spent" Sat rday night with Mr. and Mrs. . M. Williams and spent Sunday ith Mr. and Mrs. J. R. Richard »n. Attorney Walter E. Wiles and »ther, Sidney Wiles, of Chicago, re visiting relatives and friends ere. Franklin Hendrix, who has a osition at Portsmouth, Va., is pending a few days here. Mrs. Johnson Sanders and lit le daughter spent a few days lere last week and was accom lanied home Friday by Mrs. C. H. Sanders who visited with' them ind Mr. and Mrs, Charles Sand ra. Mrs. Herbert Lyons, of Sparta, ipent Sunday with her parents, dr. and Mrs. D. M. Osborne near ere. Bear down on caution—not the ccelerator! ) Road To Health A handy book of 128 pages that will help you to gain and keep hundreds of dollars’ worth of health. Tells of Natures remedies and Home remedies. Resd ■ help on child ren’s diseases. Nearly a mil lion copies sold. Only 25c. Order from Star-Times, Sparta. “Time Will Tell” CLIFTON EVANS Fine Watch Repairing ' Joines’* Barber Shop • Sparta Reins-Sturdivant Funeral Home Licensed Embalmers Ambulance Service Day or Night Phone 85 SPARTA, N. C. FLOWERS for Enry BAT DRUG CO., SPARTA BIG VALUES - in - “WIZARD” fashing Machines Oas or Electric MjEW MODELS - SPARTA -
The Alleghany News and Star-Times (Sparta, N.C.)
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July 31, 1941, edition 1
2
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