A new study suggests that the first of seven key pyramids in Egypt, the Step Pyramid of Djoser, was built using a hydraulic lift. Dated to about 4,500 years ago, this would move up the introduction of ...
The pyramids, the only wonder of the world still in existence, continue to puzzle and intrigue today's engineers and architects. Nearly 5,000 years ago, the Egyptians built these massive structures ...
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