Bouncing of charged droplets : An explanation using mean curvature flow


Two oppositely charged droplets of (say) water in e.g. oil or air will tend to drift together under the influence of their charges. As they make contact, one might expect them to coalesce and form one large droplet, and this indeed happens when the charge difference is sufficiently small. However, Ristenpart et al discovered a remarkable physical phenomenon… (More)

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