Exploring history by scanning the ground

A major concern in archaeology has always been the potential damage caused by excavation — archaeologists try their best to preserve the remnants of the past as best they can. In recent years, scientists have begun testing out quite a few different non-invasive techniques to analyze archaeological sites.

Ground-penetrating radar, or GPR, allows archaeologists to see what's underground without ever needing to dig. Back in 2006, researchers successfully used GPR in Cairo, Egypt, where located underground structures guided later excavations. People have also used the technique extensively all over the world - in China, Peru, Africa. And recently, scientists used GPR to try to map undiscovered ruins in Sardinia — they believe the technique could be used to provide detailed maps of the subsurface ruins, which will probably never be excavated. What can be found can blow Your mind... (coming soon)

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