ELI5: Explain Like I'm 5
Examples: air filters, how bluetooth works?, topic, why does the earth revolve around the sun, grounding wire

Geometric calculus

Geometric Calculus is a way of thinking about numbers, shapes, and space. It's a way to combine numbers, shapes, and space to make things easier. It can be used to solve problems like finding the area of a circle or the volume of a cube. Basically, it is a tool that helps us solve math problems involving shapes and space.