van de graaff generator
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Monster Machines: The Giant Sparking Globes That Dominate Boston’s Museum Of Science
Visitors to the Museum of Science in Boston are always in for a hair-raising treat when they enter the facility’s Theatre of Electricity. This small amphitheater is actually the permanent home of the largest air-insulated Van de Graaff generator on the planet — a pair of 40-foot high spheres crackling with up to five million…