Mystery Of How The Egyptians Moved Pyramid Stones Solved | IFLScience | Noa | Scoop.it
“ Ancient Egyptians had to pull massive statues and pyramid stones weighing 2.5 tons on large sleds across the desert -- without any modern mechanical device. Now, new research shows how adding a small amount of water to sand significantly reduces the sliding friction -- a clever trick that allowed the Egyptians to cut the number of workers needed by half. ”
Via Olgy Gary