Technology

ScanPyramids unveils mysterious structure inside Giza’s Great Pyramid

A shower of subatomic particles has revealed the outlines of an empty cavity inside the Great Pyramid at Giza in Egypt — the first discovery of a new internal structure in almost two centuries. Scientists don’t know exactly what it is yet, or why it’s there. But the finding might help solve the mystery of how an ancient civilization constructed this imposing monument 4,500 years ago.

The pyramids jutting out of Egypt’s Giza plateau are obvious landmarks — but even after millennia, their dark interiors remain mysterious. Now, using a technique similar to an X-ray, researchers have discovered an empty cavity inside the largest pyramid of them all: the Great Pyramid — built for the pharaoh Khufu, also known as Cheops, between 2509 and 2483 BCE. The discovery, described today in the journal Natureis the latest finding from the ScanPyramids mission, an international effort to spy inside these ancient stone structures without drilling any holes.

Pyramid Giza

The research team found it by tracking particles called muons. Muons are produced when the cosmic rays that permeate our Universe and pummel our atmosphere break down — creating a kind of subatomic confetti that rains down on Earth at almost the speed of light. These particles drift through air more easily than they pass through solid objects like stone. So by analyzing how many muons travel through a massive object like a pyramid, scientists can detect internal gaps and spaces. It’s similar to how X-rays, which are used to image the inside of our body when you break a bone, work. The method has been used to see inside volcanoes, nuclear reactors at Fukushima, and now, the Great Pyramid at Giza.

Next, the researchers plan to design a robot that could somehow squeeze into the pyramid to explore this new space. “This mission is about better understanding the pyramids,” Tayoubi said. “But above all, it’s about innovation.”

 

Source: TheVerge, ScanPyramids

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