Word: travel
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Dates: during 1930-1939
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...surpasses the speed of sound (at sea level, 780 m.p.h.; at 20,000 ft., 500 m.p.h.). When propeller tips reach the speed of sound, they find themselves in a sort of dead heat with the sound waves they are generating. These waves, unable to get away from a source traveling just as fast, jam up around the propeller tips in clusters sometimes referred to as "compressible burbles," creating as much of a drag as if the propeller had suddenly been transformed into a twirling dumbbell. Since sound waves travel more slowly in thin air than at normal atmospheric pressure, propellers...
...Association's motto) ; in swapping routes (a man from Maine exchanging with an Arizonian if their local postmasters approved); in boasting about the number of boxes they visit (Mrs. Annie Massey, 53, of Bay Springs, Miss. on one stretch of her 50 mi., 165-box route, has to travel 17 miles and cross: eleven bridges in an area of one squre mile); in marveling at the streamlined never-stick R. F. D. box displayed at the convention by Farmer Adney Coleman of Evergreen, Ala., which looked as if it really wouldn't jam up and be a nuisance...
...ultrashort waves do spray beyond the horizon. When they travel far, however, they become as shifty and unaccountable as ricocheting bullets, cannot be relied upon to hit any particular target. Radiomen are appalled at the cost of setting up a network of ultra-short-wave stations, piping programs from station to station by cable or ordinary short-range radio-relay links. Last week was announced the invention by RCA's Inventor Vladimir Kosma Zworykin of a system designed to eliminate such costly cables...
...readers are used to Englishmen's relentless output of travel books about the U. S. But for an American to write a travel book about England is still a novelty. Wife of a Ph.D. (brother of Publisher Richard Simon) who spent a year in England on an exchange professorship, 28-year-old Margaret Halsey has added enough wisecracks to make her novelty also a likely bestseller. Divested of wisecracks, Author Halsey's English impressions are surprisingly charitable - kinder than most English impressions of the U. S., kinder than Peggy Bacon's illustrations, and much kinder than...
TIME credits me with the origin of the Rail Auto Travel Plan. Fact is, various ideas of coordinating automobile and railroad transportation have been suggested for many years but the New Haven Railroad is the first transportation company to devise a plan of this character. Credit should go to the New Haven and to all Hertz operators in its territory under the able leadership of R. S. Robie, Hertz man of Boston...