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August 13, 2013 12:46 am GMT

Elon Musk's Hyperloop Explained: A Technically Possible Sci-Fi Dream He's Too Busy To Work On Right Now

hyperloopExtravagant entrepreneur know for his futurey projects has explained his Hyperloop project in detail to Businessweek’s Ashlee Vance ahead of publishing his blog post and holding his press conference today, and the resulting project is an ambitious project that borders on the crazy. This is the guy who build Tesla Motors and SpaceX, but he actually says he regrets bringing it up to begin with and says it’s up to someone else to build it. “I wish I had not mentioned it,” he’s quoted as saying in the Bustinessweek article. “I still have to run SpaceX and Tesla, and it’s fucking hard.” The Hyperloop does indeed sound hard, and expensive, but it’s the alternative to a $70 billion high-speed rail plan that’s been widely criticized already and that one’s going into production. The Hyperloop features tubes with a low level of pressurization that would contain pods with skis made of the SpaceX alloy inconel, which is designed to withstand high pressure and heat. Air exiting those skis through tiny holes would create an air cushion on which the pods would ride, and they’d be propelled by air jet inlets. I’m not going to try to pin down the physics; Businessweek does a great job explaining it, and they’ve spoken to a preeminent physicist who says it’s all feasible (and adds it would be “cool” if the tubes were transparent). Perhaps the best summary of it all is what Valleywag’s Sam Biddle has to say about it on Twitter: I think elon musk is a cool guy but let's not kid ourselves, this is an imaginary space train that he can just describe however he wants— Sam Biddle (@samfbiddle) August 12, 2013 Musk’s official blog post on the subject is lie now on his blog, and it’s also meaty reading. But the bottom line is that Musk came up with something that he has no intention to build, and that sounds incredibly hard to build, and will probably remain firmly imaginary. Fun. Developing…

Original Link: http://feedproxy.google.com/~r/Techcrunch/~3/jAXRP1wD2PI/

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