Chaos

Conflict is a complex chaotic system in which the effect of any action cannot be predicted with a high degree of certainty. The nature of chaos is commonly demonstrated using simple machines based on that most predictable of mechanical devices -- the pendulum. All one has to do is to link two pendulums together and the result is bewildering complexity. These two YouTube videos demonstrate this effect quite clearly.

http://www.youtube.com/watch?v=8VmTiyTut6A
http://www.youtube.com/watch?v=BrMQ7G1DtPw&feature=related