Comment No Corroborating Evidence (Score 1) 209
Add to that the fact that flying things, especially in the ancient world, would tend to cause a lot of commotion. The "Wondrous Flying Rocks of Egypt" would have become an international sensation. We certainly would have read about it from Herodotus, the Greek "Father of History" whose book details Egyptian culture fairly well.
Finally, the Egyptians did not have access to most fabrics. If they used kites, they were made of linen. In order to even suggest that kites built the pyramids, it would first be necessary to lift rocks using linen kites, not space-age materials.
I don't want to knock this demonstration; lifting a several-ton rock with a kite is damn cool regardless of historical significance. But proof of concept is only a small part of historical research, and these people seem to be basing their argument on evidence as ephemeral as the wind.
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