... Chaos? ... Attractors . ... Edward Lorenz's first weather model exhibited chaotic behavior, but it involved a set of 12 nonlinear differential equations. Lorenz decided to look for complex behavior in an even simpler set of equations, and was led to the phenomenon of rolling fluid convection. ... The Lorenz attractor is an example of a strange attractor. ... The Lorenz attractor was the first strange attractor, but there are many systems of equations that give rise to chaotic dynamics. ...