The idea of an 800 mph transportation system is just the latest idea from the mind of Elon Musk.

Musk is a 42-year-old engineer who co-founded PayPal and created Space Exploration Technologies (SpaceX), a private space exploration company, and Tesla Motors, an American electric car company that produces the acclaimed Tesla S model.

Musk is also chairman of SolarCity, a company he cofounded "to help combat global warming and minimize air pollution," according to his website.

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Hyundai says it plans to hire 3,000 more workers in Georgia and increase production to 500,000 units annually at the 16 million-square-foot factory it calls the Metaplant by 2028. (Courtesy of Hyundai Motor Group)

Credit: Hyundai Motor Group

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Julian Conley listens during opening statements in his trial at Fulton County Superior Court in Atlanta on Wednesday, Sept. 17, 2025. The 25-year-old is accused of fatally shooting 8-year-old Secoriea Turner in July 2020. (Abbey Cutrer/AJC)

Credit: abbey.cutrer@ajc.com