Ancient TechnologyAncient Egyptian Secrets Revealed: How Did They Bore Through Granite? Posted on April 3, 2025 by Administrator Ancient Egypt is known for many technological and artistic achievements, constructing pyramids and temples, inventing a system of writing, hieroglyphs, and making advancements in medicine, astronomy, and many other fields. One area for which the Egyptians are particularly famous, of course, is their stone working. A particularly controversial issue is how the ancient Egyptians were able to cut and bore through solid granite – which is considerably more difficult to do than cutting through softer, sedimentary rock such as limestone or sandstone.