The Great Pyramid has always invited audacious explanations, from alien architects to supernatural levitation. Now a cluster ...

Great Pyramid construction workers may have used a hidden internal pulley system rather than external ramps to move the ...

This unpainted wooden model of a square pyramid has a square base and four equilateral triangles on the sides. It divides into four equal pyramids along the edges. There are no labels.

Tabloids have seized on the most headline-friendly takeaway - “pulleys built the pyramid” - but the underlying claim is more specific: the pyramid may have grown “inside-out,” using internal sloped ...

(CNN) — For years, Egyptologists have hotly debated how the massive pyramids of ancient Egypt were built more than 4,000 years ago. Now, a team of engineers and geologists brings a new theory to the ...

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