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Engineers Speculate Egypt’s First Pyramid Was Built Using Hydraulics in a ‘Volcano Fashion’, Solve 4,500-Yr-Old Mystery
Egyptians may have harnessed hydraulic power not only for agriculture and transport but also for building pyramids. This ...
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Author Details Citicorp Tower Design Error And The Race to Fix It
How a Manhattan skyscraper's vulnerability was discovered, and how the project's structural engineer responded to guide secret repairs.