2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/75487The scaling limit of the critical percolation, is it a black noise? The answer depends on stability to perturbations concentrated along a line. This text, containing no proofs, reports experimental results that suggest the affirmative answer.8 pages. The file is large because of figuresProbabilityPercolation, boundary, noise: an experimenttext