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Published on Mar 14, 2015
Family Adventures in Science & Technology Sponsored by the MIT museum.
Talk given for kids (and their parents). Prof. Lewin covered quite thoroughly the basic concepts between Electricity and Magnetism with many demonstrations. He demonstrated a device (the Kelvin Water Dropper) that can create some 20,000 Volt using only running water. He charged a girl up to 100,000 Volt using a Van de Graaff generator. Her hair would spread and stand up - very funny. He beat a boy with fur to charge him up to some 20,000 Volt and he discharged him through a neon flash tube which lit up briefly.