STEM Word Association Game Thread!

The word is:
>Cat

What are some STEM theories associated with the word "cat"?

>No duplicates please***

Catastrophic faggotry in OP theory

Next***

String theory. Cats fucking love string

You are a theoretical physics god!!

Category theory. OP falls under "faggot". It has yet to be disproved.

Catastrophe theory

>Category theory
That's obviously obvious

Computerized axial tomography

Katamari theory, or, the theory of creating a hyperdense microplanet that you can gravitationally affect other things with.

I are teh smartest