Word: zworykin
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Dates: during 1920-1929
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...Manhattan, an inventor stood before a group of newspaper men. Beside him was a washing machine with a bright tube affixed to its side. He raised his hand. The washing machine began to churn. He raised it again, beaming like a schoolboy. The washing machine stopped. He-V. K. Zworykin- was demonstrating a radio tube* so sensitive that the mere interruption of light-rays is enough to stop or start it. The tube can be attached, not merely to a washing machine, but to any household utility. The shadow of a housewife's hand while she waves goodby...