Now that you know what fractals are, let’s find out why we need them! You should remember that fractals are rough and twisted shapes. There are a lot of shapes like that in nature. Because of this, there are a lot of fractals in nature as well! For example, trees are very twisted, so trees like this one are fractals:

Mountains are very rough, so mountains are fractals too:

You can even find fractals inside your body. For example, the surface of your brain is not smooth, which means that your brain is a fractal as well!
