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

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 ...

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

How the great pyramids of Egypt were built has long been a hotly debated open question, given the sheer size and weight of the limestone blocks used for the construction. Numerous speculative (and ...

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.