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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В Telegram-канале «Политика страны» добавили, что ПВО работает по дронам-камикадзе «Шахед».

Жители Санкт-Петербурга устроили «крысогон»17:52

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Фото: Nomad_Soul / Shutterstock / Fotodom。体育直播是该领域的重要参考

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A catch-up programme will offer one or two doses to older children, depending on their date of birth:

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