ELI5: Explain Like I'm 5

Boltzmann distribution

Alright, kiddo, have you ever played with a bag of marbles? You know how some marbles are bigger than others? Well, imagine if those marbles were tiny particles like atoms or molecules.

Now, let's say we put all those marbles in a box and shook it up. Some of the smaller marbles would move around more quickly than the bigger ones because they take up less space and can move around more easily.

The same thing happens with tiny particles – some move around faster than others. And the Boltzmann distribution helps us understand how likely it is for individual particles to have a certain speed.

Imagine taking a bunch of tiny particles and putting them in a container. Some of them are moving quickly, and some are moving slowly. The Boltzmann distribution helps us figure out how many particles are moving fast and how many are moving slow. It tells us the likelihood or probability of finding a particle moving at a certain speed.

In fact, this distribution helps us understand the behavior of gases, liquids, and solids. It helps scientists predict how these materials will react when they are heated, cooled, or put under pressure.

So, that's the Boltzmann distribution - it's like looking at a jar of marbles and figuring out how many are tiny and how many are big. It helps scientists better understand the behavior of tiny particles and materials.