It's the 21st century, and the Great Pyramid of Giza still has many unknown secrets

Scientists discover mysterious ‘void’ in Great Pyramid of Giza

Mystery is no stranger to the Great Pyramid of Giza. For centuries, scientists and archaeologists have probed inside the largest and oldest of Egypt's famed pyramids. But until now none had stumbled upon a 30-meter-long space hidden within its limestone and granite walls. An international group of scientists has used modern technology to visualize the inside of the pyramid, according to an article published Thursday in the journal Nature. Researchers hope the discovery will help them understand more fully how the massive pyramid was built. The Great Pyramid contains three previously discovered rooms: the King's chamber, a smaller Queen's chamber and a passageway called the Grand Gallery. But this marks the first discovery of a major space inside the ancient structure since the 19th century, the journal says. The scientists work with ScanPyramids, a mission under the French Heritage, Innovation and Preservation Institute, the Faculty of Engineering of Cairo, and the Egyptian Ministry of Antiquities. The group applied a physics technique that allowed them to track particles called muons, which come from cosmic rays striking atoms in the upper atmosphere. Once the particles fall and pass through different materials, they lose energy, causing them to slow and decay. Read more...

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