Digital physics
In physics, digital physics holds the basic premise that the entire history of our universeis computable, that is, the output of a (presumably short) computer program. The field was pioneered in Konrad Zuse's book Calculating Space. Its proponents claim that the apparently probabilistic nature of quantum physics is not incompatible with the notion of computability.The theory of digital physics is, basically, the following :
If one particle, such as an electron, is switching from one quantum state to another, it is the same as if a bit is changed from one value (0) to another (1). There is nothing more required to describe a single quantum switch of a given particle than a single bit. And as the world is built up of the basic particles and their behavior can be completely described by the quantum switches they perform that also means that the world as a whole can be described by bits. Every state is information and every change is a change in information (one or a number of bit manipulations ). The known universe could, as a conclusion, be simulated by a computer capable of saving about 1090 bits and manipulating them, and could very well be a simulation.
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