physicists, from the United States said,the circular cylinders tethered above the stone helped a lot in the process of building the pyramids.
Physicists from the University of "Indiana" believe that the ancient Egyptians had transferred to the stone geometric shape round consists of 12 rib through circular wooden cylinders which linked above stone.
The scientists, that this form of construction workers can move the stones long distances to place the pyramid in order to save time and effort.
Scientists believe that the stone one needs for 50 men to move quickly to a second 50 cm where the weight of the stone's 2.5 tons.
He said the world of physics, "Joseph West": "In this way, static friction occurs in the desired direction, instead of the opposition Movement stone