ELI5: Explain Like I'm 5

Static light scattering

Hi there! Do you know how when we shine a flashlight on a mirror, the light bounces off and we can see the reflection of the flashlight? Something similar happens with static light scattering.

Imagine we have tiny particles floating around in a liquid, like little pieces of dust. When we shine a light on these particles, some of the light bounces off in all different directions. We can measure how much of the light bounces off at different angles, and use that information to learn about the particles.

When the particles are very small, the amount of light that scatters is very weak, so we need a special instrument called a static light scattering detector to measure it. By analyzing the scattered light, we can find out things like the size of the particles, how many there are, and sometimes even what they’re made of.

Scientists use static light scattering to study all kinds of things, from tiny molecules to big clumps of proteins. It’s a way to get a lot of information about something just from shining a light on it!