Understanding the Inventions That Changed the World

Electric Light and Power (1x20)

Date de diffusion: Août 31, 2013

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.