ELI5: Explain Like I'm 5

Multiscale turbulence

Multiscale turbulence is like a big, messy pile of spaghetti with lots of different sizes of noodles all tangled up together.

In science, we study the way things move and behave in different states, like gases and liquids. When these things move around a lot and create lots of swirls and eddies of motion, we call it turbulence.

But when we look at turbulence closely, we notice that there are lots of different sizes of swirls and eddies happening all at once. Just like the different sizes of noodles in our pile of spaghetti!

This is where the idea of multiscale comes in. Scientists study turbulence at different scales, or sizes, to better understand what's going on. Think of it like taking a zoomed-out picture of the spaghetti pile, and then zooming in to see each individual noodle separately.

By studying turbulence at different scales, scientists can learn how things move and interact with each other in different ways. It's like learning more about how the spaghetti noodles are all tangled up together with sauce and other ingredients.

In the end, understanding multiscale turbulence can help us better understand how things move and behave in the world around us, which is pretty cool! But let's not forget about that big, messy pile of spaghetti waiting for us...