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Eugene Polley recently passed away. For years, he worked for Zenith Electronics where he gained patents for several inventions. Best known among these was called the "Flash-Matic", a revolutionary new product that eventually became an (now almost) indispensable household product. "Flash" because it focused visible light (from a device like a flashlight) to a set of photo-cells.

So what product thus came about?

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This day last year: Q.240

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