How were the Egyptian pyramids built?

Scientists have had to piece together clues as to how pyramids were constructed.
Modern Engineering Marvels on MSN

Great Pyramid’s hidden void raises new questions about Khufu’s original design

The most intriguing spaces inside the Great Pyramid may be the ones no visitor can enter. What makes the newly mapped voids ...

Pyramids of Giza thousands of years older than we thought, study suggests

A new study conducted by an Italian engineer has argued that the Pyramids of Giza could actually be thousands of years older than we first thought ...
AOL

Scientists propose bold new theory on how Egypt’s Great Pyramid was really built

Scientists have proposed a groundbreaking new theory on how Egypt's Great Pyramid was built, positing that they had to use a pulley and counterweight weight system to erect it so quickly. It was a ...