Add Yahoo as a preferred source to see more of our stories on Google. New research suggests Thomas Edison’s early light bulbs may have unknowingly produced graphene more than a century ago. (CREDIT: ...

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A sweeping history of the electric light revolution and the birth of modern America. The late nineteenth century was a period of explosive technological creativity, but more than any other invention, ...

Electric light bulbs had been around for decades by the 1870s. Most demonstration systems used arc lamps, which seemed far too bright and burned much too hot for indoor household use. In 1878, Thomas ...

Thomas Edison’s original patents surrounding the light bulb and an archive of 37 original British Patent Letters related to the incandescent lamp have been sold at auction for US$75,000. Though Thomas ...

Ernest Freeberg is head of the history department at the University of Tennessee in Knoxville and the author of "The Age of Edison: Electric Light and the Invention of Modern America." Professor ...

Beyond steam engines and power looms, the Industrial Revolution spawned innovation in artificial lighting — for city streets, lighthouses, railway carriages and mills. Incremental improvements, from ...