The Concorde remains a marvel of engineering even in 2026, nearly 23 years after its retirement. One of its most unique features was that the fuselage stretched 6 to 10 inches during flight due to the intense frictional heat generated at Mach 2.02. To handle this heat, the aircraft was painted with a specially developed, highly reflective "high-reflectance" white paint. Another unique fact is that it was the first commercial airliner to use analogue fly-by-wire flight controls, a predecessor to the digital systems used in modern jets. The Concorde also featured a "droop nose" that lowered 12.5 degrees during takeoff and landing to allow pilots to see the runway, as the aircraft’s high angle of attack would have otherwise blocked their view. Interestingly, because it flew at 60,000 feet, passengers could actually see the curvature of the Earth, and the plane moved so fast that it outran the sun—allowing travelers from London to arrive in New York at a local time earlier than when they departed.