tldr: Shear forces set up a nano-scale front/back electric potential difference. Arxiv: [1] SciTechDaily summary: [2] And a shout-out to DI, where I saw the

tldr: Shear forces set up a nano-scale front/back electric potential difference. Arxiv: [1] SciTechDaily summary: [2] And a shout-out to DI, where I saw the first link [3] Edit: Dupe [0] [0] https://news.ycombinator.com/item?id=41603387 https://news.ycombinator.com/item?id=41603387 [1] https://arxiv.org/pdf/2408.16083 https://arxiv.org/pdf/2408.16083 [2] https://scitechdaily.com/groundbreaking-study-finally-reveals-how-rubbing-generates-static-electricity/?utm_source=DamnInteresting https://scitechdaily.com/groundbreaking-study-finally-reveal... [3] https://www.damninteresting.com/ https://www.damninteresting.com/