Witte: Broken 100-year-old engine:
Category: engine
Nagoya University and JAXA: Detonation engine demonstration: Successful space flight
Aikoku Alpha: Providing next-generation engine parts: For Rolls-Royce
JAXA: Rocket engine combustion vibration mechanism: Elucidation of the cause
Japan: The strongest submarine’Soryu’: Air-independent propulsion (AIP)