The Thought Experiment of Maxwell’s Demon and the Origin of Irreversibility

The problem of the irreversibility’s origin in thermodynamic processes occupies a distinguished place among many and lasting attempts by researchers to derive irreversibility from molecular-mechanical principles. However, this problem is still open and no universally accepted solution may be given during any course. In this paper, I shall try to show that the examining of Maxwell’s demon thought experiment may provide insight into the difficulties that emerge, looking for this origin because: (i) it is connected with the notion of irreversibility, and (ii) one of its functions is that of the “reversibility objection.” In order to illustrate this point, I study Boltzmann’s approach to the problem of a molecular-mechanical interpretation of irreversibility and I show that an auxiliary assumption (the selected direction of time) is responsible for producing irreversibility. But this result is accordant with the predictions of Maxwell’s demon thought experiment: the assumptions of this kind are not dictated by molecular-mechanical principles but are separate input in the model-systems used.

From statistics to trust: Psychology in transition

Modern psychology has aimed at being a natural science. This has been difficult because psychological processes are influenced by indefinitely complex, irreversibly changing contexts. Attempting to circumvent these obstacles, one has resorted to a group level methodology yielding small statistical differences and correlations that fail to provide sufficient support for theoretical and practical advance. Turning from this “psycho-demography” to person-centered psychology involves a change from statistical analysis of group-averages to logical analyses of personal communications, and from studying causation (what leads to what?) to studying implication (what follows from what?) also called psycho-logic. Since communications depend on trust, this replaces statistics, both in research and practice. It is concluded that psychology can only be about the concrete, and that future advances may lie in developing psycho-logic in terms of semantic non-numerical computer algorithms.