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  • Lightning!

    Explore lightning and storm safety as the world's largest air-insulated Van de Graaff generator hurls indoor bolts.

    © Matthew Modoono


Live Presentation


Indoor bolts produced by the world's largest air-insulated Van de Graaff generator spark exciting explorations of lightning, conductors, insulators, electricity, magnetism, and storm safety.

Also available to schools as part of a Museum field trip: Monday – Friday 12:00 and 2:00 pm (subject to availability, October 1 - June 12).

Seating is first come, first served. Approximate capacity is 350.

Showtimes for Today: Tuesday, February 18, 2020

12:00 pm, 2:00 pm, 4:00 pm


20 minutes


Theater of Electricity. Find on map


Recommended for: Grades 3 – 12 and adults

Free with Exhibit Halls admission or membership. Purchase Exhibit Halls tickets:


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  • Wheelchair Accessible
  • Assistive Listening Devices Available At Information Desk
  • American Sign Language Interpretation Available Upon Request