Tubes have carried cats, mail, and people for a really long time. Vox's Phil Edwards leads the tour...
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Thanks to Ben FrantzDale, Swisslog, and Renown Health for letting us use their pneumatic tube footage.
https://www.flickr.com/photos/benfrantzdale/
http://www.swisslog.com/en
https://www.renown.org/
More than a century and a half before Elon Musk thought up the Hyperloop, his mash-up of pneumatic and maglev ideas (and a bunch of other moving parts), people were using pneumatic tubes to move people. Though we're familiar with pneumatic tubes from banks, they've been around much longer and used for a lot more.
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