2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27671We discuss the recent theory of Burin and Kagan that attempts to explain the existence of universal low temperature properties in amorphous solids. We suggest a realistic experimental scenario that could be used to test the theory. We comment on the results of an experiment that has already been performed in the proposed geometry.8 pages of Latex, appears in the Proceedings of the V International Meeting on Hole-Burning and Related Spectroscopies; published in Molecular Crystals and Liquid CrystalsCondensed Mattertext