A Scientific Study Reveals a Surprising Property of the Great Pyramid of Giza that Few Know

The Great Pyramid of Giza is described as one of the world's oldest landmarks, but it was already more than a thousand years old by the time Stonehenge was completed — and it was older to Cleopatra than Cleopatra is to us, with the gap between her reign and the pyramid's construction larger than the gap between her reign and the present day

Ancient history is compressed, in most people’s minds, into a single flat drawer. Cleopatra is in the drawer. The Great Pyramid of Giza is in the drawer. Julius Caesar is in the drawer. So are Stonehenge, and Alexander the Great, and Ramesses, and the Trojan War, and the first pharaohs of Egypt. If you asked most people to put those things in order, most could probably do it, at least approximately. If you asked them to say how far apart they ar…