Unexplained Science ☢️ on Instagram: "What you’re seeing isn’t just drilling. It’s fracking: one of the most complex and controversial engineering techniques of our time. The Earth is drilled thousands of meters deep, first vertically and then horizontally, precisely following rock layers invisible from the surface. The well is lined with steel and special cement to isolate aquifers and prevent collapses. A mistake here is no small matter: it can contaminate water, soil, and subsoil. Then comes

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