How Everything Works on Instagram: "When a rocket launches, the real drama isn’t the flames you see outside—it’s the controlled violence happening inside the engine. Super-cold liquid oxygen and fuels like RP-1 or liquid hydrogen are forced into the combustion chamber at extreme pressures, where they mix and ignite the instant they meet. The result is a fireball reaching over 3,500°C. Those expanding gases have only one escape route: down through the engine nozzle. And by directing that explosiv

Parts of a Rocket: Lesson for Kids