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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Australians dominate at the very top of our list but the overall numbers are split evenly and England lead the way for all-rounders

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The BBC's John Donnison was reporting live from Jerusalem when emergency alerts sounded from his phone.

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