The mystery of how the pyramids were built at Giza, Egypt, has fascinated generation after generation of visitors. A new study purports to reveal the simple truth of it, reports the Washington Post:
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Few have traveled to the pyramids of Egypt and not wondered how an ancient civilization without modern technology could have constructed structures so large they can be viewed from space. Some have theorized they were built inside out.
On the flakier side, some say aliens did it.
Perhaps the most confounding mystery of all involves how incredibly large stones made their way to the middle of the desert without massive mechanical assistance. No camel, even the Egyptian kind, is that strong.
The truth, researchers at the University of Amsterdam announced this week in a study published in the journal Physical Review Letters, may actually be quite simple. It has long been believed that Egyptians used wooden sleds to haul the stone, but until now it hasn’t been entirely understood how they had overcome the problem of friction. It amounts to nothing more, scientists say, than a “clever trick.”