Rapid Plateau border size variations expected in three simple experiments on 2D liquid foams⋆ C. Gay, P. Rognon, D. Reinelt and F. Molino Eur. Phys. J. E, 34 1 (2011) 2 Published online: 10 January 2011 DOI: 10.1140/epje/i2011-11002-3