So if I’m following this correctly, the use of ferrite beads is largely empirical, and not just that, but pretty much one-off, because their behavior isn’t well-characterized. There are spec sheets, but those are often not meaningful in practice.https://twitter.com/robamacl/status/1263506985338703877 …
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This make-a-reasonable-guess and try it and see process is far more prevalent in engineering and especially scientific methods than STEM professors want to admit. So it is under-taught, under-studied, and poorly understood. You can only learn it by apprenticeship and experience.
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Enormous amount of professional STEM practice is tradition: things are done some way because they long have been. There’s usually some theoretical justification, but if you think for ten seconds you realize it can’t be right. https://twitter.com/mattskala/status/1263517792931844099 …pic.twitter.com/3Hgeu7y062
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In technical practice, as in social policy, retaining traditions is often wise (“Chesteron’s Fence”). And sometimes not. We’re seeing catastrophic consequences of retained obsolete traditions in both science and policy in the US covid debacle.https://twitter.com/mattskala/status/1263518727070334976 …
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