Word: polarity
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Dates: during 1940-1949
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...mounting for the telescope is of the two-pier type, but the special nature of the Schmidt-type reflector has made it necessary to include several unusual features. Construction is being super-intended by Mr. Herbert E. Hanson of the observatory staff. Except for the polar axis and counterweights, the mounting is of Dowmetal,--probably the first telescope mounting ever made of this specially light and strong magnesium alloy. The Dow Chemical Company, of Midland, Mich., cooperated in providing the difficult castings necessary for both the telescope tube and mounting...
This sounds like a nonsense riddle, but it isn't. The only place on earth from which you can walk 15 miles south, then 15 miles east, and still be only 15 miles from the starting point, is the North Pole. Hence the bear must have been a polar bear-therefore white...
...class includes such notables as Jimmy Roosevolt; Edwin Land, inventor of Polar Polaroid glass; the Lincoln Kristein, ballet director...
...prove himself a he-man to attractive Ellen Drew. Otherwise it is just a Jack Benny radio program minus Mary Livingstone (Mrs. Jack Benny), and Benny addicts should find it just as entertaining. It has Rochester (Eddie Ander son), Benny's gravel-voiced, colored stooge; Carmichael (the polar bear); the disembodied voice of Fred Allen (whose mock feud with Benny weekly wows their camp followers); tunes, dances, a lot of fancy showmanship, girls and gags. People with a taste for deeper humor are cautioned that unlike the radio, the picture cannot be tuned off at will...
...Wilkes's antarctic coastline "Wilkes Land," and cartographers of many another nation followed suit. But not the British. Long afterward an Australian named Sir Douglas Mawson went over the Wilkes route, claimed that Wilkes had made mistakes or misrepresentations. These were attributed by Wilkes's defenders to polar refraction, which sometimes makes land below the horizon appear above it (a phenomenon also seized on by Robert Peary's defenders to explain Peary's mistakes in Greenland). Later it was shown that Mawson himself had erred because of the same illusions. Finally in 1939 the Australian Government...