Precision in Stone with IMPRECISE Tools by Hand Lesson 1

The latest Lost Ancient High Technology trope is precision in stone. Here's the introduction to the practical and the theory of it. I very much doubt the Lost High Technologists will acknowledge his as they habitually censor the answer to the challenges they themselves made. Though perhaps they do care for answers as much as they care for their profitable questions. I won't hold my breath though, they have a real cricket farming operation going on over there.

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