Word: pigments
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Dates: during 1940-1949
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...Bright light bleaches the visual purple, a pigment in the retina which is needed for vision in dim light. Overexposure slows the retina's power to restore the purple when needed...
...bear in silence." Mississippian Kirk McLean is not only "downright fond" of scuppernong wine, he is also the father of at least two quadroons. One day a disgruntled and sulking yellow girl flavors the family tea with a dash of king's yellow, or orpiment, an arsenious pigment. Somebody dies, and the girl is brought to trial...
...regarded as a chemical curiosity. When it turned up as an impurity in certain iron ores, it was reclassified as a chemical nuisance. Then chemists learned how to remove titanium from iron ore, and found that its oxide is intensely white. So titanium dioxide got a job as a pigment for white paints. But until recently no one had much hope for the pure element as a metal. Getting it out of its ores in metallic form was very difficult...
...impressionists made a bold effort to start afresh. They went into the fields, where perspective laws barely apply, and painted in broad daylight, with the sun behind them, to shake the tyranny of shadows from their colors. The best results, done in bright contrasting dabs of pigment, shone with a fluid sparkle new to art, but surprisingly enough they still looked like windows on an illusory world. The revolution had just begun...
Photographs of Edouard's paintings which reached the U.S. last week had a child's freshness, and also a strength that was not at all boyish. Edouard, painting in oil, spread the pigment in broad, thick strokes that gave a sense of third dimension. For subject matter he used what appealed to his wide eyes: lobsters, a landscape framed in the window, flowers, a teapot, and, lately, his mother...