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Canonical Source · peer reviewed study
This page documents how this source is reused across Claim by Claim. A source can support, challenge, qualify or contextualize different claims; appearing here does not imply endorsement of every linked proposition.
Evidence context
Evidence roles describe what this source helps establish inside each Investigation. They are local to that use, not permanent labels attached to the publication itself.
Investigation
Experimental mechanics show that suitable water content can substantially reduce sliding friction on sand, demonstrating physical plausibility for one component of heavy sledge transport without claiming to reconstruct the entire pyramid-building method.
Subject families