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Journal Journal: SQL: * expansion inside of EXISTS()

[Used gemini for formatting. It seems to have edited the text somewhere, and the table on bottom is atrocious. I ought to come back to this later. It's too late to continue with it now.]

Submission + - China Flies World's First Megawatt-Class Hydrogen Turboprop Engine (fuelcellsworks.com)

walterbyrd writes: China says the AEP100, a megawatt-class hydrogen-fueled turboprop engine developed by the Aero Engine Corporation of China, has completed its maiden flight on a 7.5-tonne unmanned cargo aircraft in Zhuzhou, Hunan. The 16-minute test covered 36km at 220km/h and 300 meters altitude, with the aircraft returning safely after completing its planned maneuvers. State media described it as the world’s first test flight of a megawatt-class hydrogen-fueled turboprop engine.

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