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<p>[QUOTE=&quot;Severus Alexander, post: 2902555, member: 84744&quot;]Rolling things on logs was known much earlier, I believe; maybe that&#039;s enough to account for Gobekli Tepe.</p><p><br /></p><p>I can certainly agree with y&#039;all that ancient technology was likely more advanced than we give it credit for, but I stand by my claim that advancement mostly depends on cultural accumulation and trial &amp; error.&nbsp; I also agree with [USER=51347]@Alegandron[/USER] that it wasn&#039;t linear. (E.g. certain inventions [writing, the internet] changed the slope.)[/QUOTE]</p><p><br /></p>

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