Word: visually
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Dates: during 1930-1939
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...Bluesinger Tucker: "I thought they'd like to see and hear a real American red-hot momma, and I wasn't wrong. It was as good as being presented at court." San Franciscans flocked to their M. H. de Young Memorial Museum, gaped in perplexity at a visual interpretation of Tannhauser music executed in ink by Tennistar Helen Wills Moody. Some San Franciscans: "Chicken tracks!" Said Mrs. Moody on how she got started on her in terpretations: "I played a phonograph record. ... I had a pencil in my hand and unconsciously I traced a pattern of the rhythm...
...resolved into single pictures by photographing a revolving plate the shape of which was determined by x-ray diffraction. Though indirect, complex and laborious, the method is quite as legitimate as ordinary photography, according to the exhibitor, and the effective magnification is 200,000,000-to-1. This first visual confirmation of electron distribution theory was provided and explained by the University of Chicago's Dr. Arthur Holly Compton...
Aniseikonia is Greek for "unequal images." When the sufferer looks at any object, the image reflected in the retina of one eye differs in size and shape from that in the other. The struggle of the brain's visual centre to fuse these two images brings aches, pains and frazzled nerves. Sometimes it cannot fuse them...
Birds' eyes "are the finest and most remarkable of all the eyes on earth, being often both telescopic and microscopic. . . . Visual acuity is almost incredible, being in some instances 100 times as great as that in men. . . . Birds do not see blues and violets at all. This helps in their distance vision because the haze which hangs about distant objects and which, for our eyes, renders them more or less invisible, for birds does not exist. Birds, on the other hand, see infra-red radiations which, for us, affect only the temperature sense of the skin...
...animals other than primates have their eyes in the front of their faces (the young human fetus also has its eyes at the sides of its head). Because their visual fields do not overlap, they do not have binocular vision. The visual fields of hares and rabbits overlap behind their narrow heads, an essential for such hunted creatures. But they do not have stereoscopic vision. Their brains are insufficiently developed for that refinement...