Pyramid Parts Would Slide Superbly on Soaked Sand, Says Study

A new theory is adding to our understanding of how the ancient Egyptians might have built the pyramids. You'll recall that, today, most Egyptologists believe the pyramids were built by workers pulling blocks of stone on sledges. Scientists at the University of Amsterdam have found that that system would work better if the sand beneath the sledges were wet. (Thanks to Epigenetics Experts for the headline suggestion!)

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