The Hack That Saved Apollo 13

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Our picks of the week from around the web, including the Apollo 13 crew’s ingenious hack, the man who freezes the dead, and how to make a better oven.
The hack that saved Apollo 13
Jesus Diaz | Gizmodo | 1 July 2014
An oxygen tank blew up; the moon landing was aborted; the astronauts moved to the lunar module. But the lunar module was equipped to sustain two men for 36 hours; not three for 96 hours. Carbon dioxide would kill them. Here’s how they saved their lives, in 19 stages. And of course it required a roll of duct tape.