Laplacian

A Laplacian is a mathematical tool used to measure how smooth or bumpy a surface is. It's like having a very sensitive ruler that you can use to measure the bumps and dips in a surface. The Laplacian can help scientists and engineers figure out how to design things like roller coasters, cars, or even bridges. The Laplacian uses special equations and a lot of math (which can be hard to understand) to figure out how smooth or bumpy something is.