What are seeing through walls?

Seeing through walls is like being able to peek at what’s on the other side of a room, without opening the door or moving anything.

Imagine you have a toy box in your room, and it's full of blocks, balls, and little cars. Now imagine there's another kid in the next room who also has a toy box. You can’t see them because the wall is between you. But if you could see through walls, it would be like having an invisible window, you'd still be in your room, but you’d be able to look at their toys as if they were right next to you.

Think about the times you wear glasses or eyeglasses. They help you see things better. Now imagine wearing super special glasses that let you see through walls, just like how your regular glasses let you see clearly. These glasses don’t make the wall disappear, they just let light from the other side come to your eyes so you can see what's behind.

It’s not magic, it’s just a cool way of using light and vision, like when you look through a window or a curtain!