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What Lies Beneath
The Mayan ruins of Cahal Pech in Belize. Physicist Ray Schwitters and his colleagues plan to study nearby mounds -- believed to hold structures dating to A.D. 250-900 by using a non-invasive technique called muon tomography. The technique, Schwitters believes, will allow him to spot hidden chambers inside and target future excavations to these locations, where they would be more likely to unturn valuable relics. |
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