Links

Link: The Ups and Downs of Making Elevators Go

The mathematics of vertical transportation theory are way more interesting than you might think. I also liked this line:

“I thought I wanted to be a manager,” she said. “But I really like solving the puzzles myself. I didn’t like assigning them to other people. I was a little jealous.”

http://online.wsj.com/article/SB10001424127887324469304578143200385871618.html

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