The whole question of whether everything in the universe is computable is usually regarded as an open question, sometimes called the Church-Turing-Deutsch thesi

The whole question of whether everything in the universe is computable is usually regarded as an open question, sometimes called the Church-Turing-Deutsch thesis. This wikipedia article has a little more: http://en.wikipedia.org/wiki/Church%E2%80%93Turing%E2%80%93Deutsch_principle http://en.wikipedia.org/wiki/Church%E2%80%93Turing%E2%80%93D...