<ul><li>Scientists at RMIT University and the University of Melbourne have discovered that water droplets generate an electric charge when they stick and unstick on a surface.</li><li>The so-called depinning phenomenon could be used to improve energy-harvesting devices.</li><li>The charging mechanism is similar to slide electrification when a liquid leaves a surface; however, the opposite process can also generate a charge.</li><li>The researchers aim to further investigate this phenomenon with other liquids and surfaces for potential real-world applications.</li></ul>

Sliding droplets generate electrical charge as they stick and unstick

Discover more