Knowledge has increased exponentially. Intelligence remains the same. Wisdom is the product of knowledge and intelligence, so yes, our own wisdom increased since those times.
While the construction of the Egyptian pyramids—specifically the Great Pyramid of Giza—is one of history's most enduring puzzles, it is inaccurate to say we have "no clue" how they were built. Modern archaeology, experimental archaeology, and recent discoveries have provided, if not a complete, step-by-step blueprint, a very strong, scientifically supported understanding of the techniques and logistics.
Here is what is currently known, according to archaeological and historical evidence:
1. The Workforce and Organization
- Not Slaves: Evidence indicates the pyramids were built by a massive, well-organized workforce of skilled, paid laborers (not slaves) who camped near the construction site.
- Seasonal Labor: Many were farmers who worked on the pyramids during the Nile’s annual flood, which made agricultural work impossible, and likely acted as a form of labor tax.
- Infrastructure: Archaeological digs have uncovered worker villages complete with bakeries, breweries, and medical facilities, showing that the workers were well-nourished and cared for.
2. Transporting the Materials
- The Nile River: The Nile was the primary, vital, and most efficient route for transporting limestone from Tura (for the casing) and granite from Aswan.
- Canals: Recent radar technology discovered that a 64km-long, now-buried branch of the Nile (the Ahramat Branch) once ran directly alongside 31 pyramids, making transport easier than previously thought.
- Sleds and Wet Sand: Workers moved the 2.5-ton blocks on wooden sledges. To reduce friction, they poured water (or oil) onto the sand in front of the sledges, making it significantly easier to pull.
3. Lifting the Stones
- Ramp Systems: The most widely accepted theory is that ramps made of mud-brick, rubble, and limestone debris were used to haul the stones. These may have been straight, zig-zagging, or spiral, built up as the structure grew.
- Internal Ramps: A more recent theory suggests that while outer ramps were used for the lower levels, an internal ramp system may have been used to reach the highest points.
- Levering and Counterweights: As the pyramid grew higher, laborers likely used wooden levers, shadoof-style lifts (a type of counterweight system), and rollers to maneuver the blocks.
- Recent Discoveries: In 2018, a 4,500-year-old ramp system with a very steep slope was found at an alabaster quarry, providing evidence that Egyptians were capable of using steep, engineered ramps for lifting.
4. Precision and Surveying
- Alignment: The pyramids are oriented almost perfectly north-south. This was likely achieved by studying the motion of stars, using tools like the merkhet (a "tool of knowing") and the bay (a sighting tool).
- Leveling: To create a perfectly level base, they likely used water-filled trenches to map a grid, or used wooden A-shaped plumb levels to check for horizontal accuracy.
- Copper Tools: They used copper chisels, drills, and saws, often with abrasive sand, to cut the relatively soft limestone.
Why the "Mystery" Persists
The reason this is often considered a "mystery" is because the Egyptians intentionally left no written records of the construction process, likely to protect the secrets of their "god-kings."
However, the "no clue" narrative is usually promoted by pseudoscientific theories (like "ancient aliens"). In reality, archaeologists have successfully replicated many of these techniques using only tools available at the time.