In a preprint paper, scientists concluded that the Step Pyramid of Djoser in Saqqara, Egypt—believed to be the oldest of the ...

Kato's recent study adds to the body of research that seeks to understand the reasons behind the pyramid's design. Kato wrote in the paper: "The crucial point about stability is that the effects ...

The complexity, cost and time of each test escalates up through the testing pyramid. The underlying assumption is that the material properties derived from tests at the lower levels can be used to ...