Фото: Dok. Polres Gianyar
Quick side-note: I’ll be talking a lot about OSTree in the context of CoreOS and Fedora Silverblue, but this technology isn’t exclusive to these distributions. We can also mention Fedora CoreOS, Endless OS, and even Podman’s virtual machine when on macOS or Windows.
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The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.