A Little Bit of Entropy

I'm reading a very interesting book written by Seth Lloyd called "Programming the Universe: a quantum computer scientist takes on the Cosmos". Highly recommended! I enjoyed in particular how entropy is compared to a spreading disease: a disease of ignorance. What is it all about? Let me explain briefly. From statistical mechanics, entropy is a measure … Continue reading A Little Bit of Entropy


The Computational Universe

The Laws of Nature When you first encounter physics at school, you are initiated to the common idea that at least in principle every phenomenon could be explained if we knew which are exactly the "Laws of Nature". This idea is pretty simple, but not free from conceptual problems. First of all, you are assuming … Continue reading The Computational Universe