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5. The detailed understanding of the ephemeral particles created by multi-GeV accelerators nowadays drives high-energy physics closer to those questions which are likely to have existed at the very beginning of the universe, when the nature of the interactions must have been of fundamental relevance while the world as we observe it now was emerging from the «big bang». The possibility of identifying the primeval matter with the nucleonic quark-gluon plasma and of extracting information on the “big bang» by creating in the laboratory a «little bang», which would dissolve the nucleores, is a challenging problem. Within the philosophic horizon of modern theoretical subnuclear physics the nucleonic quark-gluon plasma evokes the idea of the universal dyadlogos-pyr upon which the grand unification conceived by Heraclitus of Ephesus is centered: the world is not an indeterminate agglomeration of essentially distinct components, but a coherent and discoverable system in which changes in one direction are ultimately balanced by corresponding changes in the other, so that a hidden attunement exists between things such that what is apparently «tending apart» is actually «being brought together» (G. S. Kirk:Heraclitus, The Cosmic Fragments (Cambridge University Press, Cambridge, 1954)).