“Understanding the Inventions That Changed the World” S:1 E:20 Electric Light and Power

S:1 E:20 Electric Light and Power Electricity profoundly reshaped American culture and set the stage for the major inventions of the 20th century. This lecture introduces you to the history and science of electricity – arc lighting, the incandescent lamp, motors, and direct versus alternating currents. Learn about the inventions of Thomas Edison and Nikola Tesla, and the rivalry between their electric companies.