Monday, 17 December 2018

Microtube with built-in pump

Driven by natural or artificial sunlight, a novel 'microtube pump' transports water droplets over long distances. The pump consists of a tube whose properties can be changed asymmetrically through irradiation. This results in capillary forces and a wettability gradient in the inner wall which work together to accelerate the water droplets to exceptional high speeds.
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