Amazing how much of learning any hobby or diy skill in the US is about learning what to buy and googling and reading forum posts. And how far you can get with zero conceptual understanding of what you’re doing, based purely in such shopping/forum knowledge and trial-and-error.
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I now know a ton about the prices and form factors available for blue painter’s tape and kapton tape, and tips for getting them on/off surfaces. But I know nothing yet about polyamide chemistry or how kapton tape actually works, or about the chemistry/physics of adhesion.
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Telescopy and astrophotography is somewhat better than 3D printing. The practical knowledge is all industry standards and terminology like f-numbers and lens speeds and costs and sizes of different types of optics. But you can’t help learning a bit about the optical fundamentals.
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Replying to @vgr
youtube / salty internet forums are leading a revolution in the acquisition, discovery and development of tacit knowledge which i think has been desperately needed, it's one of the reasons for the decline of science that this was underprioritized
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ht @SamoBurja who writes about this
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