Thursday, September 17, 2026
Science

Sliding droplets point to charging mechanism beyond mobile ions

Whether on a windowpane at home or during the industrial cleaning of computer chips: droplets sliding over solid surfaces become electrically charged. Yet the physical mechanism behind this charging remains a subject of debate. This charging is usually attributed to the exchange of charged particles...

Sliding droplets point to charging mechanism beyond mobile ions
Image: Phys.org
Whether on a windowpane at home or during the industrial cleaning of computer chips: droplets sliding over solid surfaces become electrically charged. Yet the physical mechanism behind this charging remains a subject of debate. This charging is usually attributed to the exchange of charged particles (ions) at the interface between the droplet and the surface.

Originally published at Phys.org

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