“When people get hurt around our products, we need to take every ounce of education from it that we can,” Jacob Zeiger, a senior air-safety investigator at Boeing, told me, when I visited the Boeing facility this past December. “These technical findings are sacred.” Within hours of any major incident involving a Boeing plane, Zeiger and his team are notified, and they may spend a week to ten days studying the damage and interviewing the crew, piecing together what went wrong. In 2008, for instance, the engines on a 777 stopped responding, and it crash-landed short of a runway in London, shearing off its landing gear. Afterward, a team of investigators re-created the plane’s fuel system in a Boeing lab. A small heat-exchange unit, they found, had accumulated ice during the flight. Every 777 has since been retrofitted with a new version of the unit. Thanks to decades of such refinements, today’s jets may be the world’s most reliable machines. Flying in them is less likely to kill you than walking on staircases.
旋即，他将一场深刻的变革带进了阶跃星辰，创立初期，阶跃星辰尝试走C端商业化路线，推出AI社交App“冒泡鸭”、 “跃问”等产品，但来到2024年年底，C端团队被裁撤，冒泡鸭于2025年正式关停。这也意味着，阶跃星辰放弃了纯C端的软件路线。
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The most confusing thing is that both of those things are happening in the same source tree!
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And some of the others Newsbeat speaks to say that the series has changed their lives.