A study suggests 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 major ...

I'm a technologist, business writer, and book author. I first started writing in 2001, after I was downsized from a corporate job. In the early days of my writing career, I wrote features about ...