Recession is a Damocles Sword hanging on Western societies, and by reflex on the developing world. The analysis on causes, effects, and possible duration have led to highly controversial results. This article uses an original approach to model the process of long economic cycles, where only physical indicators are taken into account, like number of objects, weights, calories, and time with complete disregard of money, capital, and fiscal measures. From this particular angle economic behavior shows simple, stable, and predictable features, which may greatly help to construct an efficient economic theory. Concerning the recession proper, the model bring fresh support to the Schumpeter view, with time bunching of basic innovations, stable time constants to market saturation, and long waiting for the next bunch to rekindle the boom. Because recession is linked to societal time constants, sweeping solutions appear improbable but a self-consistent patchwork is suggested.