The Engineering Behind Elon Musk's Bid to Save Thailand's Cave Boys

Around 6 pm Tuesday at Tham Luang in Thailand, the last of the 13 survivors who had spent 18 days trapped in a cave emerged to safety. A rescue team had spent the past three days getting the boys out after five days of desperate planning and calculations since their discovery. As the boys’ oxygen supply dwindled, doubts in the rescuers’ ability to save them mounted.

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