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Home → Archives for Superhydrophobic

Pulling electricity from the ambient air

Droplets hop from a superhydrophobic surface. Image: Nenad Miljkovic & Daniel Preston

This is a nice surprise: MIT researchers made the unexpected discovery that when two or more water droplets merge and jump away from a superhydrophobic [1] surface, the droplets carry an electric charge. How does it work? First, you need the right kind of superhydrophobic surface. Next, add humid air. As droplets condense and form on the superhydrophobic surface, they … [Read more...]

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