Will the train of the future be a high-speed tube, not a railroad? That’s inventor and entrepreneur Elon Musk’s and others’ vision. And Musk, the man who brought us the
Tesla (all-electric car) and SpaceX (for-profit space rocket company), is putting his own money behind a proof-of-concept project for what he calls Hyperloop. The concept sounds simple: move passengers in a sealed tube through a series of giant pipes propelled by air pressure at speeds up to 700-plus mph. That would mean a trip from New York to D.C. would take 20 minutes.