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Explores electrical power by flashing back to Thomas Edison's laboratory and the invention of the incandescent light. Introduces basic concepts, such as conductivity, circuits and more, and explains how electric power is used today.
National Geographic Society, c/o Educational Services, PO Box 98019, Washington, DC 20090, Phone: (202)857-7378, Toll-free: 800-627-5162, Fax: (202)857-7300, Email: info@nationalgeographic.com/foundation, URL: http://www.nationalgeographic.com/foundation
Available on VHS
Running time 23 minutes.
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