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” ...
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