@amazeifystore: A window’s corners helped bring down the Comet. ✈️ Repeated climbs and descents flexed the pressurized fuselage, letting tiny cracks grow until the structure failed. The fix revealed a crucial lesson: sharp corners concentrate stress, while rounded corners help reduce it. What everyday design detail would you like us to investigate next? #Engineering #AviationHistory #AircraftDesign #FatigueFailure #StructuralEngineering #EngineeringLessons #AviationSafety #CometAircraft