ELI5: Explain Like I'm 5

Circle packing theorem

Okay kiddo, so you know how we have shapes like squares, triangles, and circles, right? Well, the circle packing theorem is all about circles and how we can fit them inside of other circles.

Let's say you have a big circle and you want to fit a bunch of smaller circles inside of it without any of the circles overlapping. The circle packing theorem tells us that as long as we keep making the circles smaller and smaller, we can fit an infinite amount of circles inside that big circle!

Now, there's even more to it than that. The circle packing theorem can also tell us things like what's the most circles we can fit inside a certain shape or how close together the circles need to be so they don't overlap.

Scientists and mathematicians use the circle packing theorem to help design things like computer processors or packing cargo on a ship. It might seem like just playing with circles, but it's actually pretty important stuff!

So there you have it, a simple explanation of the circle packing theorem!
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