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About this episode
In the 1870s, the age of artificial light was still in its infancy. Gas lamps cast a dim glow on city streets, and early arc lights were just beginning to appear in a handful of public spaces. But reliable, practical light for homes and businesses remained out of reach for most people. Then, in 1878, America’s most famous inventor, Thomas Edison, witnessed a demonstration of a novel electric generator and had a spark of inspiration. Edison was convinced that he would be the one to harness e
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