2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47340At the present time, string theory (and its generalizations) remain relatively abstruse subjects to the particle phenomenologist and experimentalist. Yet, striking developments of the last two years offer hope that a fundamental non-perturbative formulation of this theory will be found, and that this formulation will permit us to make contact with supersymmetric standard-model physics. This article is based on a talk which attempted to convey the essence of these recent developments in string theory, in a non-technical manner, to an audience of particle theorists, phenomenologists and experimentalists.harvmac, 15 pages (b), two eps figures, Based on a talk delivered at the XII DAE Symposium on High-Energy Physics, Guwahati, December 1996High Energy Physics - Phenomenologytext