But isn't the fact that it is not a vacuum an important aspect of the design? Fi...

pbreit on Sept 19, 2013 | parent | context | favorite | on: Elon Musk's Hyperloop is viable, says maker of sim...

But isn't the fact that it is not a vacuum an important aspect of the design? First, some air is used to elevate the train. Second, it's easier to maintain a near vacuum than a total vacuum.