Ancient Egypt. Pyramids. A video for KS2 pupils exploring pyramids in Ancient Egypt - their construction, purpose and the ways they evolved. BBC Teach.
"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 ...
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