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technology@hexbear.netEnglish · 1 day ago

PLA fires up world’s first boron ramjet engine that can fly and swim

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PLA fires up world’s first boron ramjet engine that can fly and swim

☆ Yσɠƚԋσʂ ☆@lemmy.ml to

technology@hexbear.netEnglish · 1 day ago

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An engine that can carry weapons at incredible speeds through both air and water has been developed by Chinese scientists.

https://archive.is/GvTQO

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alcoholicorn@lemmy.ml
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1 day ago
I thought Boron was a dead end because its oxide is liquid below 1,860 °C
- ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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  19 hours ago
  some more info
  
  https://www.marineinsight.com/shipping-news/china-builds-worlds-first-boron-ramjet-engine-to-launch-underwater-weapons-at-supersonic-speeds/
  
  looks like boron reacts with water at 700-800 C so maybe they run cooler in water to avoid liquid oxide?

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