2.9K views · 118 reactions | Did you know the world's largest air insulated Van de Graaff generator at the Museum of Science was built in the 1930s by Dr. Van de Graaff himself? Originally designed as an atom smasher, it made history by smashing the first atom in the United States. Today, it generates lightning and illuminates the science behind thunderstorms at the Museum of Science! #Lightning #Thunderstorms #TheaterofElectricity | Museum of Science, Boston | Facebook