How did they cut the blocks for the pyramids?

Based on study of the "unfinished obelisk" in Aswan,[1] it is believed that a combination of diorite pounder balls and the power of expanding timber were used to fracture the rocks into shape, in the quarry. read more

After roughing out the shape of the block with the pounder balls, a series of cavities were made around the line where they wanted to break the block away from the bedrock. Wedges of wood were then placed in these cavities, and bathed in water, causing the wood to expand. read more

" Bonn and his colleagues constructed miniature sleds and experimented with pulling heavy objects through trays of sand. read more