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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(Illustration: Marcie LaCerte for the AJC)

Credit: Marcie LaCerte for the AJC

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Atlanta art and antiques appraiser and auctioneer Allan Baitcher (right) takes bids during a 2020 auction. Baitcher and his company, Peachtree Antiques, are being sued by a Florida multimillionaire who says he paid them $20 million for fakes. (AJC 2020)

Credit: Phil Skinner / Staff