[discostu]

Actually Wiz they prove exactly the opposite, check the very first link. They do it with WOOD. The only thing technology has really effected when it comes to moving rocks is the size of the system you need to move the stuff. With modern materials we have single pullies that can pick up 200 ton blocks. With older materials you'd need to setup a more complex pulley system that would spread the load over multiple pullies. We still use the same basic techniques, we've just replaced a whole lot of wood stone and rope with a steel pulley and some cabling. Any look at the history of pulies shows that the basic design has remained consistent for as far back as we have samples (which BTW includes pyramid era Egypt).

[RightWhale]

As far as weight of objects that we encounter all the time these days, how about a city bus? A few tons, no problem, they are everywhere moving at high speed. A loaded tandem-trailer truck. No problem. The Space Shuttle, wheeled out and back to the pad for launch. Every day stuff. 100-ton buildings transported complete to Prudhoe Bay on barge from Seattle and moved into position using crawlers. A Navy destroyer, the Cole, carried! back to repair port. The big Russian heavy-lift helicopter could deposit a city bus on top of the Great Pyramid, perhaps 2 at a time. Add it up, we probably move an equivalent weight of the Great Pyramid every hour every day and don't even think about it.