Sparks Fly: The Great AC/DC War

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Sparks Fly: The Great AC/DC War

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Join Dr Sarah Quinn as she explores the dramatic War of the Currents between Thomas Edison's direct current (DC) and Nikola Tesla's alternating current (AC) systems in the 1880s and 1890s. This episode examines the fierce competition that shaped America's electrical infrastructure, from Tesla's early days working for Edison to their eventual rivalry. Discover how the partnership between Tesla and George Westinghouse challenged Edison's electrical empire through technological innovation and business strategy. Learn about Edison's controversial propaganda campaign against AC power, including disturbing public demonstrations and the development of the electric chair. The episode highlights key battlegrounds including the 1893 World's Columbian Exposition in Chicago, where Westinghouse's AC system illuminated the 'White City' for millions of visitors, and the pivotal Niagara Falls power project that ultimately determined the winner of this electrical war. Dr Quinn explains the technical differences between AC and DC systems, showing why Tesla's alternating current proved superior for long-distance power transmission. The discussion also reveals how both technologies complement each other in today's electrical systems, from smartphone chargers to electric vehicles. This fascinating chapter in technological history demonstrates how innovation, business competition, and public perception combined to create the electrical grid that powers our modern world, establishing Tesla's AC system as the foundation of electrical distribution.

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