Elon Musk’s radical plan to let people travel in 760 mph tubes

Elon Musk's 'Hyperloop' was dismissed as a pipe dream that would never get off the ground. But now the billionaire's plans to shoot capsules of passengers along a tube at around the speed of sound may launch as soon as next year. Hyperloop Transportation Technologies has secured land for the first full-scale Hyperloop with a 2016 launch in the California town of Quay Valley.