Today in North Las Vegas, Hyperloop One (formerly Hyperloop Technologies) completed its first successful open-air propulsion test. The demonstration was the first public test of the system that could one day propel Hyperloop travelers to nearly 800 mph. While that might sound like a rough launch, Hyperloop CTO Brogan BamBrogan ensured the crowd that it’ll actually be quite similar to a plane takeoff due to variable frequency drives that slow acceleration slightly to keep the passenger pods at a comfortable level of acceleration. Because of the unprecedented environmental control of the planned Hyperloop system, BamBrogan also made sure to point…

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