To try everything Brilliant has to offer—free—for a full 30 days, you’ll also get 20% off an annual premium subscription. Chapters 0:00 Intro 0:14 Main structure 3:05 Powerplant 6:34 Fuel system 8:17 ...

Russia’s Su-57 “Felon,” conceived as the answer to America’s F-22 Raptor, has been a deeply troubled and largely unsuccessful fifth-generation fighter program. -Plagued by persistent delays, ...