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Electric fields move water droplets It is usually a good idea to keep water away from electrical equipment but researchers in Japan have discovered a new effect by breaking this rule. Masahide Gunji and Masao Washizu of the University of Tokyo have shown that electric fields can be used to move water droplets around a solid surface. Their work could lead to new ways to perform chemistry experiments much faster than is possible at present (J. Phys. D38 2417).
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