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>technology that build the pyramids

You mean ropes and carts?

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The stones were cut with enormous precision, at least relative to what we know about the available cutting tools. You cannot still stick a knife between a lot of these stones. Maybe we will learn more about that.
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I'm pretty sure we've conclusively answered these questions. Hand tools, skill, and absolutely unreasonable amounts of time and patience.

Any master stoneworker from any era should be able to carve stone to that level of precision given enough time and reason. The problem, as always, is that there is usually very little reason to put in that amount of time and effort when you can get 90% as good for 50% the effort.

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Can experimental archaeology actually replicate this? If not, I don't find the speculation, even though logical, to be conclusive.
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So they were polished? We already know how to do it.
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Would be neat, loss of knowledge/skill is really a bummer in regards to ancient technology.
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