Researchers created a mathematical model analyzing combustion waves — from slow flames to supersonic detonation. It yields accurate solutions and explains the transition from deflagration to detonation. The work paves the way for safer engines and improved protection against industrial explosions.

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Kermit and its sister plane—another P-3 Orion, nicknamed Miss Piggy—have flown into hundreds of hurricanes since 1976 and never lost a passenger. The Air Force, in that same period, has flown thousands of hurricane flights in its Lockheed WC-130s, also without a single fatality. Both sets of planes were designed for the military: the P-3 is like a flying tank, Marks told me; the WC-130 is more like a flying barn. Commercial jets are built for lighter duty, and they try to steer clear of hurricanes. But how will they fare in a windier world?

一个重要的里程碑是,宝马首款国产新世代车型——新世代BMW iX3长轴距版,将于2026年4月北京车展全球首发。智驾底盘电池都与国产厂商深度绑定。宝马进行了最大程度的本土化研发,希望以此重新赢得中国消费者青睐。

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