TED Talksのインスタグラム(ted) - 2月25日 01時40分

Alan Eustace strapped himself to a weather balloon, rose 135,000 feet into the air and...jumped. All in the name of science. In fact, he made his own spacesuit for the feat -- one that had to withstand him breaking the sound barrier. “To go up in the stratosphere right now, you have to create your own vehicle to do it; it has to have life support," he says. "We wanted to learn if you could build a completely self-sufficient system.” Learn more at go.ted.com/riskyscience

Photo courtesy of StratEx/PSDC

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