Tabloids have seized on the most headline-friendly takeaway - “pulleys built the pyramid” - but the underlying claim is more specific: the pyramid may have grown “inside-out,” using internal sloped ...

The Great Pyramid of Giza—the largest of Egypt’s pyramids—consists of about 2.3 million limestone blocks. The smallest of these weigh two tons, while the largest weigh over 60. History says laborers ...

It was a real pyramid scheme. Scientists have proposed a groundbreaking new theory on how Egypt’s Great Pyramid was built, positing that they used a pulley and counterweight system to erect it so ...