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The kinetics of spreading of a liquid drop in a wedge or V-shaped groove, ina network of such grooves, and on a hydrophilic strip, is re-examined. Thelength of a droplet of volume Omega spreading in a wedge after a time t ispredicted to scale as Omega^(1/5) * t^(2/5), and the height profile ispredicted to be a parabola in the distance along the wedge. If the droplet isspreading radially in a sparse network of V-shaped grooves on a surface, theradius is predicted to scale as Omega^(1/6) * t^(1/3), provided the liquid iscompletely contained within the grooves. A number of other results are alsoobtained.Comment: 5 pages, 2 figures, RevTeX

Late stage kinetics for various wicking and spreading problems