Why you should experience the Thunderstorm Exhibit at the Boston Museum of Science.
The Thunderstorm Exhibit is pure electricity, a breathtaking ballet of lightning, sound, and science that rattles the air and stirs the imagination.
Housed in the Theater of Electricity, this experience brings visitors face-to-face with the raw power of nature through massive Tesla coils that unleash bolts of artificial lightning up to 30 feet long. The air vibrates, lights flash, and the room crackles with energy as you watch electricity arc across the metal cages in controlled chaos. It’s both spectacle and lesson, a fusion of physics and drama that reminds you of the invisible forces humming all around us.
What you didn’t know about the Thunderstorm Exhibit.
The exhibit’s centerpiece is the world’s largest indoor air-insulated Van de Graaff generator, built in 1939 and capable of generating over two million volts of electricity.
Originally created at MIT before moving to the museum in 1951, it remains one of Boston’s most iconic scientific artifacts. The exhibit was redesigned to combine history with high-voltage theater, featuring dual Tesla coils that simulate the intensity of real lightning storms. Presenters demonstrate the principles of charge, current, and conduction live, often standing safely inside Faraday cages as arcs of electricity strike around them. The precision and control involved in each show are extraordinary; what feels like chaos is actually a masterclass in scientific choreography.
How to fold the Thunderstorm Exhibit into your trip.
Time your visit to catch a live show, they run several times a day and are the museum’s most thrilling event.
Arrive early to grab a central seat for the best view of the Tesla coils and Van de Graaff dome in action. The experience lasts about 20 minutes and builds to a crescendo of lightning, thunder, and light. For younger visitors, ear protection is available, though the rumble is part of the thrill. Pair this stop with the adjacent Energy and Electricity exhibits to deepen your understanding of what you just witnessed. The Thunderstorm Exhibit isn’t just a show, it’s a raw, electrifying encounter with the forces that power our world.
Hear it from the Foresyte community.
“One second you’re touching lightning, the next you’re staring at a T-Rex. Half the fun is watching adults act like kids again. Curiosity gets contagious quick.”
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