ELI5: Explain Like I'm 5

Pilling–Bedworth ratio

Imagine a toy box filled with different types of toys like cars, dolls, building blocks, and stuffed animals. Now, let's say you want to count how many cars and dolls there are in the toy box.

The Pilling-Bedworth ratio is a bit like counting cars and dolls in a toy box. It helps scientists and engineers figure out how much space there is in a material sample for tiny particles like gas and liquids to move around in.

Just like how you need to know how many cars and dolls there are in the toy box to figure out the ratio, scientists need to know the size of the pores in a material to figure out the Pilling-Bedworth ratio.

The Pilling-Bedworth ratio is important because it helps us understand how well different materials will work in certain situations. For example, it can tell us if a material will be effective at filtering out tiny particles like pollutants or if it will be useful for making batteries.

Overall, the Pilling-Bedworth ratio is like counting cars and dolls in a toy box, but instead of toys, we're counting tiny spaces in a material to better understand it.