"This question has baffled eqyptologists for centuries" starts one documentary.
Yahoo Answers' Best Answer: the Egyptians didn't make them. Yahoo Voices Best
Answer: we don't know how. Richard Koslow at Cornell: "many theories".
Discovery Magazine: "there are several ideas".
25,000 workers/250,000 man hours using "simple ramps" says this documentary.
This video thinks it was a "snaking internal ramp"!
This video shows my theory on how they did it
Philosophy is written in this grand book -- I mean the universe -- which stands continually open to our gaze, but it cannot be understood unless one first learns to comprehend the language in which it is written. It is written in the language of mathematics, and its characters are triangles, circles, and other geometric figures, without which it is humanly impossible to understand a single word of it; without these, one is wandering about in a dark labyrinth.
- Galileo Galilei
1,500,000 baby names