DK Eyewitness Books: Chemistry

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Life in the modern world would be unthinkable without his inventions. More than any other individual, he paved the way for the future. Thomas Alva Edison has rightly earned a place among the most important men in history. His inventions the light bulb, phonograph and movie camera, among many others literally transformed the world. But countless myths have sprung up around Edison, and his private l

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