Boeing x-53 active aeroelastic wing is a fancy airplane that can move its wings to help it fly better. You know how sometimes when you throw a paper airplane it can't stay in the air very long? That's because it doesn't have real wings and it can't move them like a real airplane can. But the Boeing x-53 is a special airplane that can move its wings while it's flying.
The wings of the Boeing x-53 are made of a special material that can bend and flex when the airplane is flying. This helps the airplane stay stable when it's in the air. Sometimes, when an airplane is flying at high speeds, the air can push on its wings in a way that makes it hard to control. But the Boeing x-53 can use its special wings to counteract this and stay on course.
The cool thing is that the Boeing x-53 doesn't just rely on its wings to move themselves. It has special sensors that can tell when the airplane is getting pushed around by the air and it can use its wings to counteract this. This is called "active aeroelastic control." It's like when you're riding a bike and you have to lean to one side or the other to keep your balance. The Boeing x-53 can do this with its wings.
So basically, the Boeing x-53 is a super cool airplane that has special wings that can move and flex to help it fly better. It can sense when it's getting pushed around by the air and can use its wings to stay on course. It's like a superhero airplane!