Thought experiments are commonly defined as devices of the imagination used to investigate the nature of things. Such an experiment is a logical reasoning about an hypothetical situation where the results can be explored by imagination, physics or mathematics. It seems that this kind of methodology has been used at least since classical antiquity, however, it's not completely right to talk about ancient reasoning in terms of experiment, as this kind of verifiability didn't exist yet. We are going to focus, then, on the use of this method in the last 150 years, more concretely in the field o...