tag: maths

A mathematical proof that our world is in three dimensions


Everyone knows that our world is three-dimensional. It seems indeed obvious that there are three independent spatial directions, no less, no more. But can we really be sure? After all, everything we know about our world comes from our senses and from what our brains interprete. Does the fact that …

Introduction to Bayesian thinking


An updated version of this post can be found in the IPython Cookbook.