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 ...

Scholars think they have an answer to a question that has puzzled generations. How did ancient Egyptians, thousands of years ago, move all those heavy stones, stack them up and make the pyramids?

Here’s what you’ll learn when you read this story: A 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 ...