Ever wonder why airplanes have those weird headphone jacks? Well, those double-pronged plugs are called the standard aviation plug, and they're designed to work in noisy environments while ensuring a secure connection. Now, onto other cool plane facts – did you know that the tiny holes in airplane windows aren't just there for show? They help regulate the cabin pressure, preventing the window from fogging up. And here's a fun one: ever notice the little bump on the wing of some planes? It's called a winglet, and it reduces drag, making the aircraft more fuel-efficient. So next time you're on a flight, those weird jacks and quirks might just add a bit more fascination to your journey! ✈️