Sticking Two Elevators in One Shaft Is Totally Safe – And a Great Idea | Hacker News

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		Sticking Two Elevators in One Shaft Is Totally Safe – And a Great Idea (wired.com)
		2 points by ozim on Jan 19, 2017 \| hide \| past \| favorite \| 1 comment

basicplus2 on Jan 19, 2017 [–]

Or.. the continuous version

http://m.youtube.com/watch?v=Zx3MHm9WjBE

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