Word: prisms
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Dates: during 1970-1979
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...British astronomer Sir William Herschel performed a curious little experiment some 170 years ago. After bending a beam of sunlight through a prism, he found that a thermometer heated up most if it was placed just beyond the red end of the spectrum. Herschel concluded that the mysterious heat source was invisible rays from the sun, but he could hardly have known that infra-red radiation-as it was called -would eventually let man see the world in an entirely new light...
Voilà! Each of Charlie's intentions is given a variety of interpretations, like a sunbeam hitting a prism. A pickpocket on the lam deposits a stolen watch in the tramp's trousers. Charlie looks at the watch-which the original victim spots as his own. A policeman gives chase-and corners Charlie in a hall of mirrors, where an infinity of cops vainly pursues an equal number of tramps. Disappearing into a tent, Chaplin seeks cover during an act. A top-hatted prestidigitator covers a girl with a cloth, walks to a large wardrobe, opens...