Alright kiddo, so you know how we can see things with our eyes because light bounces off of them and into our eyes? Well, scientists use a special kind of light called x-rays to see things that are too small for our eyes to see.
Now, imagine you have a toy house made out of Legos. If you look at it from far away, it looks like one big block. But if you look closer, you can see the individual Legos that make up the house.
The same thing happens with materials that are made up of really small pieces, like proteins or crystals. Scientists can use x-rays to see these materials, but sometimes they need to know how the tiny pieces are arranged or how they move around.
That's where wide-angle x-ray scattering (WAXS for short) comes in. It's a special kind of x-ray experiment that can show how the tiny pieces in a material are arranged and moving.
Imagine shining a flashlight on your Legos. Some of the light will bounce off the Legos and go in different directions. WAXS works the same way, except instead of a flashlight, scientists use x-rays and instead of Legos, they use really tiny pieces that are too small to see.
They shine the x-rays on the material, and then they see where the x-rays go after they bounce off the tiny pieces. Based on how the x-rays scatter, scientists can figure out how the tiny pieces are arranged and moving.
So, wide-angle x-ray scattering is a way for scientists to look at really tiny things and figure out how they're put together and moving around, kind of like looking at Legos up close to see how they fit together.