Egypt’s Pyramids of Giza were built to endure an eternity, but how remains one of the ancient world’s greatest mysteries.

The ingenuity of ancient Egyptian engineers may have been even more ahead of their time than we thought. A new study suggests a currently unexplained ancient structure may have been part of a water ...

"Landreau et al. estimate that Egyptian builders could have captured between 4 million and 54 cubic meters of water over the two or three decades it took to complete the Step Pyramid." "Landreau et al ...

I'm thinking because making the entire pyramid a gradually ascending spiral (rather than, say, simply stepped) gives you the most gradual slope of any simple ramp configuration. You can go around all ...