"The late nineteenth century was a period of explosive technological creativity, but arguably the most important invention of all was Thomas Edison's incandescent lightbulb. Unveiled in his Menlo Park, New Jersey, laboratory in 1879, the lightbulb overwhelmed the American public with the sense of the birth of a new age. More than any other invention, the electric light marked the arrival of modernity. The lightbulb became a catalyst for the nation's...

Everything you think you know about Nikola Tesla is wrong. Nikola Tesla was one of the greatest electrical inventors who ever lived. For years, the engineering genius was relegated to relative obscurity, his contributions to humanity (we are told) obscured by a number of nineteenth-century inventors and industrialists who took credit for his work or stole his patents outright. In recent years, the historical record has been "corrected" and Tesla has...