Lance Gerday demonstrates an electrostatic generator during the Golden Spike Sesquicentennial Celebration May 10, 2019, at Promontory Summit, Utah. Event festivities included an “Innovation Summit” that focused on STEM-related activities hosted by Hill Air Force Base, industry, and secondary and higher education. (U.S. Air Force photo by R. Nial Bradshaw)

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Photo by: r. nial bradshaw |  VIRIN: 190510-F-OD616-0001.JPG