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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In 1774, British physician-scientist Charles Blagden received an unusual invitation from a fellow physician: to spend time in a small room that was hotter, he wrote, “than it was formerly thought any living creature could bear.”

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