@calestous @6point626 I seem to recall reading the first water runs uphill paper ~1990. Also using surface energy gradient methods.
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@JohnDPMorgan@calestous capillary action? I think I heard about it in high school. Was cool then too :-) -
@6point626@calestous Similar. Create a surface energy gradient,by microfabrication, greater than gravitational gradient, drops roll uphill.
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