This image released by Tesla Motors shows a conceptual design sketch of the Hyperloop passenger transport capsule. Billionaire entrepreneur Elon Musk on Monday, Aug. 12, 2013 unveiled the concept for a transport system he says would make the nearly 400-mile trip in half the time it takes an airplane. The "Hyperloop" system would use a large tube. Inside, capsules would float on air, traveling at over 700 miles per hour. (AP Photo/Tesla Motors)View Photo
LOS ANGELES (AP) — Imagine strapping into a car-sized capsule and hurtling through a tube at more than 700 mph — not for the thrill of it, but to get where you need to go.
On Monday, billionaire entrepreneur Elon Musk unveiled a transportation concept that he said could whisk passengers the nearly 400 miles between Los Angeles and San Francisco in 30 minutes — half the time it takes an airplane.
If it's ever built.
His "Hyperloop" system for travel between major cities is akin to the pneumatic tubes that transport capsules stuffed with paperwork in older buildings.
In this case, the cargo would be people, reclining for a ride that would start with a force of acceleration like an airplane but then be turbulence free.
Capsules would catapult through a large, nearly air-free tube. Inside, they would be pulled down the line by magnetic attraction
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