Word: x
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Dates: during 1950-1959
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...X-15 rocket-plane built by North American Aviation, Inc. is the second approach. It will probably make its first flight to the edge of space in less than a year. Made of stainless steel to resist heat, it is a stubby-winged airplane only 50 ft. long, weighing about 33,000 Ibs. when fully fueled. Its single rocket engine has 60,000 Ibs. of thrust and is capable of lifting it off the ground like a ballistic missile...
Ballistic Trajectory. But the X-15 will not fly into space in this crude way. With a pilot in its cramped cockpit, it will be carried 35,000 ft. above Wendover Air Force Base, Utah by a specially adapted B-52. As soon as it cuts loose with its rocket engine roaring, the pilot will head it on a steep trajectory like a ballistic missile. In 30 to 40 seconds, if all goes well, it will approach Mach 3 (three times the speed of sound) at an altitude of 100,000 ft. From this point it will...
...this was established after it was found that far more children than had been realized were having eye trouble before the age of seven. There is a similar page for bones and postural development. Reflecting current concern about radiation, a section has been added to record use of X rays, in both diagnosis and treatment, with the dosage of radiation used and the site affected...
...Ferrara. One of the most impressive feats of art sleuthing by X ray is reported by John Walker, director of Washington's , National Gallery, in his book, Bellini and Titian at Ferrara (Phaidon; $6.50). Sleuth Walker tackled one of the world's great masterpieces, Giovanni Bellini's Feast of the Gods (see color page), now at the National Gallery, managed to prove through X rays what no scholar could hope to do with the naked...
...male descendant of the main branch of the famed Doria family, which traces its history to 12th century Genoa, owner (in Rome's Palazzo Doria) of one of the world's most celebrated private galleries (included: Velásquez' portrait of an earlier Pamphilj, Pope Innocent X); of arteriosclerosis; in Rome. A bitter antiFascist, who condemned Mussolini's war on Ethiopia, he suffered 15 years of mistreatment by Fascists, became wartime "underground governor" of Rome and, appointed by the Allies, the city's first postwar mayor...