NASA astronaut Don Pettit demonstrates electrostatic forces using charged water droplets and a knitting needle made of Teflon.Image Credit: NASA/Don PettitRead More https://www.nasa.gov/image-detail/science-of-opportunity-stacked-water-dropslarge/Copy URL to clipboard> DownloadShare https://www.nasa.gov/image-detail/science-of-opportunity-stacked-water-dropslarge/
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