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One of my favorite stories is the one about how Thomas Edison invented the light bulb. It's said that he had everything pretty well worked out except for the filament. It seemed that nothing he tried would work. After many, many experiments with all sorts of metals he stumbled upon the thin strand of tungsten.
The gist of the story for me are his comments regarding his search. He said that if he had known anything at all about the science of metallurgy he would have known that what he was trying to do was impossible.
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Mike McCarty
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