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Giant turbines would blast a stream of air into the tube.

The two-metre wide pods, carrying people, would be moved by a rail gun - a tube that uses magnets to accelerate material passing along it.

“They’ve been around for over a century, though not so much these days.

One reason I think Hyperloop is simpler than folks think is that Elon Musk has resurrected another technology from the depths of time, one that was a contender once, too - the electric car!

He believes the Hyperloop could be built for a tenth of the cost and deliver passengers between the two cities in just 30 minutes, compared to three hours for the bullet train.

Last modified 24-Jun-2018 23:12