Ever since Heisenberg articulated his now famous principle of "uncertainty" during the first decades of the present century1, the nature of the modus operandi in the physical sciences has changed radically and dramatically. No more do scientists envisage the discovery of "absolute" truths or axioms; they now prefer to talk about "relative" or "approximative" reality. During the last few decades in particular, there has been a steadily-dawning awareness in science and philosophy that the "certainty" provided by the culturally-dominant rationalist/Cartesian mode of thought is, at best, illusory and, at worst, seriously misleading. [...]