PLA fires up world’s first boron ramjet engine that can fly and swim
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
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PLA fires up world’s first boron ramjet engine that can fly and swim
PLA fires up world’s first boron ramjet engine that can fly and swim
A ramjet underwater might manage supercavitation and reduce drag underwater dramatically.
Huge if true.