The future sounds a bit like a witch crying over a dead cat. That spooky wail is the sound hyperloop makes – at least, the version of the high-speed transportation system designed by Hyperloop One, which just took a big stride toward the day it flings you between cities in near-vacuum tubes.

The Los Angeles company leading the race to fulfill Elon Musk’s dream of tubular transit tested its pod for the first time last weekend. That pod is 28 feet long and made of aluminum and carbon fiber. It looks a bit like a bus with a beak.

A fast bus with a beak. Once loaded into a 1,600-foot-long concrete tube in the Nevada desert, the pod hit 192 mph in about 5 seconds, using an electric propulsion system producing more than 3,000 horsepower. As the pod accelerated through the tube 11 feet in diameter, the 16 wheels retracted as magnetic levitation took over. Mag-lev – used by high-speed trains in Japan and elsewhere – reduces drag and the energy required to achieve near-supersonic speeds. It helps, too, that Hyperloop One’s engineers also pumped nearly all the air out of the tube, reducing air pressure to what you’d experience at an altitude of 200,000 feet.

“This is the dawn of the age of commercialization for the hyperloop,” says Shervin Pishevar, Hyperloop One’s executive chairman and cofounder.

It’s a big step, to be sure, but just one of many in the long journey ahead. The weekend test provided a nice proof of concept, but the challenge is not in making hyperloop work but in making it practical. For hyperloop to truly take off, it must operate cheaply enough to lure customers away from air travel or high-speed rail. And then there’s the problem of loading people or, more likely, cargo without ruining that near-vacuum state, designing and building stations, getting an endless list of public agencies and players to agree to build the thing, and so on.

All that comes later, and chief engineer Josh Geigel says Hyperloop One is indeed working on cracking those myriad challenges. No one knows just how hyperloop will pan out, but at least we know what it sounds like. Creepy.

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