Random Walk in Arithmetic New Scientist 125, No. Chaitin God not only plays dice in physics but also in pure mathematics.
Mathematical truth is sometimes nothing more than a perfect coin toss.
The question of predictability has a long history in physics. In the early 19th century, the classical deterministic laws of Isaac Newton led Pierre Simon de Laplace to believe that the future of the Universe could be determined forever. Then quantum mechanics came along. This is the theory that is fundamental to our understanding of the nature of matter. It describes very small objects, such as electrons and other fundamental particles.