Undercover detectives

T-rays are digitally uncovering everything including potential terrorists, buried images on church walls, and subsurface flaws in the foam used to protect space shuttles.

By Jennifer Cutraro, 00:00 AM April 8, 2008

It sounds like the beginning of a mystery movie: Last month, researchers traveled to the French countryside in search of hidden works of art.


But this is no Hollywood blockbuster—at least not yet. It's a real-life mystery being tackled by a team of engineers, art historians, and computer scientists.


They've come to a centuries-old church to look at sections of an old and valuable picture painted onto the church's stone walls. Local residents uncovered this painted mural in the church of St. J...

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