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By CNBC
Air cushioning: That’s the high-concept technology behind the high-speed transit concept that billionaire Elon Musk calls the Hyperloop.
Musk – who already plays leading roles in the SpaceX rocket venture, the Tesla electric car company and the SolarCity solar-energy company – unveiled what he has called the “alpha” version of the Hyperloop plan in a blog post on Monday. It runs to 57 pages as a PDF file.
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