Word: lenses
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Dates: during 1940-1949
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Balding Eagle Charles A. Lindbergh, 47, sometime adviser to the U.S. Air Force, made one of his increasingly rare appearances before a camera lens. He was snapped at an air-ground demonstration at Grafenwöhr, Germany, chatting with Lieut. General John K. Cannon, U.S. Air Force commander in Europe...
Seven years ago the disease was described and tagged with the forbidding name of retrolental fibroplasia-because it seemed to be a growth of abnormal, fibrous tissue behind the lens of the eye. Doctors could not agree on whether the disease was new, or had simply gone unnoticed. Some said...
Lens & Retina. Their most notable conclusion in this period: the fibrous tissue was not a foreign growth between the lens and the retina (the sensitive screen upon which the lens focuses images), but a swollen, greyish transformation of the retina itself. It occurred when the babies were between two and...
Paris on a hot day, clad in a wool coat, shapeless slacks and something that looked like bedroom slippers, she seized a startled friend's hat too late to conceal her famous face from a prying lens (see cut).
The Schmidt telescope was invented by Estonian-born Bernhard Schmidt (1879-1935). Scientist Schmidt spent years studying the failings of refracting (lens) telescopes and reflecting (mirror) telescopes. Finally he devised a sort of compromise. His telescope has a concave spherical mirror, which is much easier to make than the parabolic...