Word: beams
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Dates: during 1960-1969
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...educated crystals may be microscopically small or as big as quarters, and they can do many different electronic jobs. Some are sensitive to light, and will turn on a car's headlights when the beam of a flashlight falls upon them. Others can generate alternating currents, turn them into direct currents at a different voltage. They can also serve as the electrically controlled switches that are used as thinking units in computers...
...cold stars." In The Gentle Art, she neatly combines her love of the African land with her often shocked observation of its inhabitants. It deals with another night under the cold stars, this time on a wide and sullen river during a hunt for crocodiles. The searchlight's beam picks up the two glowing, red eyes of a crocodile on the river bank. From a distance of three yards the hunter fires and the crocodile's head explodes. The still twitching saurian is hauled aboard, and one of Nadine Gordimer's hearty women, a guest...