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Where Does Micro-Engraving Actually Begin?
Daniel wants to know where the line sits between engraving and micro-engraving, soldering and micro-soldering. The answer turns out to be messier than anyone expected: the naked eye's true resolution floor is finer than the standard 20/20 chart assumes, and there are actually two kinds of acuity at play — one for resolving detail, one for catching misalignment. From there, the conversation moves through Graham Short engraving the Lord's Prayer between heartbeats, vitreoretinal surgeons working inside a 10-hertz tremor band, the practitioner definition of micro-soldering (pitch under 0.5mm)…
The skinny
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