We all know that the pyramids of Egypt were tombs for the pharaohs. (Yes, yes, and landing pads for Goa’uld spaceships; you can put your hands down now.) Thinking about what it took to build them, though, gives us an idea of what else they were.
The construction of the pyramids is a perpetual favorite subject of cranks and crackpots (Lost technologies of Atlantis! Sound waves!). Even among the more reality-bound, there is no end of theories ranging from the mundane (ramps and sledges) to the reasonably plausible (pulleys and levers) to the unlikely but not impossible (poured concrete). No matter what technique we imagine, however, one thing was definitely required: massive amounts of labor.
What most armchair pyramidologists miss about the problem of megalithic construction is that the physics of moving large stones are very simple. Apply enough force to a mass and it will move. Some things can make the application of force easier: ramps, pulleys, rollers, whatever you’ve got, but in the end it’s just a matter of force versus inertia. No matter how you go about building a pyramid, what you need in the end is the same: muscle power and time. With enough muscle power and time you can build pretty much anything, but labor is expensive. The real problem that would-be pyramid builders have to solve isn’t technological, it’s economic. The real question isn’t “How did they build the pyramids?” but “How did they afford the pyramids?”
