ELI5: Explain Like I'm 5

square lattice

A square lattice is like a big grid of squares. It's kind of like a checkerboard, where the black and white squares are all the same size and they're lined up in straight rows and columns.

The squares in a square lattice are all the same size too, and they're all lined up in straight rows and columns just like in the checkerboard. But instead of being black and white, they're usually just one color. Sometimes they're clear or see-through, like in a window screen.

Scientists and engineers use square lattices to study how things move around, like atoms or electrons or even light. They can also use square lattices to make things like computer chips or solar panels or materials that can change shape or color.

Overall, a square lattice is just a fancy way of organizing things into a grid of squares, and it's really useful for understanding how things work and making cool stuff!