Word: radius
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...computer at M.I.T., gave a pretty good orbit for the satellite. It is elliptical, carrying Sputnik to an apogee (high point) 583 miles above the earth and bringing it down to its perigee (low point) 143 miles up. Since both these distances are added to the radius of the earth (3,960 miles), the orbit is almost a circle, and a good indication that the Russian launching vehicle was not only powerful but precisely controlled...
Covering the Waterfront. In Springfield, Mass., a woman rushed up to Edward P. Hannigan, a tourist-booth attendant, breathlessly asked for directions to all the swimming places within a ten-mile radius, explaining that she had left her children at a pond and couldn't remember which...
Only about 800 Moslems live in or around Washington, but not only Moslems may profit from the muezzin's tape-recorded summons that loudspeakers will carry out to a radius of eight blocks five times each day: "Come to .prayer. Rise up to your welfare!" And in the last hours of darkness just before dawn: "Come to prayer. Rise up to your welfare. For prayer is better than sleep...
...Maximilian Schuler, a German professor of applied mechanics, discovered in 1923 that acceleration would have no effect on a hypothetical pendulum the length of the earth's radius; the M.I.T. device simulates Schuler's effect electronically...
...make sure that the bases which are set up for the purpose of attack be liquidated at once. No one can expect anything else. The blow which would be directed toward destroying the aggressor's bases would inevitably hit much greater areas. One hydrogen bomb [can destroy] a radius of up to several hundred kilometers. One might ask what would happen if several such bombs were used...