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It’s rather ironic that in order to fully appreciate the value of an archeological artefact, part of that object must first be destroyed. That’s the way it has worked, at least, since the only way of determining the chemical composition of such items has been by breaking down a physical sample from them. As more and more institutions have decided to disallow sampling of their artefacts, however, it has become increasingly important to develop non-destructive methods of analysis. Recently, an archeologist from Tel Aviv University's Department of Archaeology and Ancient Near Eastern Civilizations developed just such a method - Professor Yuval Goren has adapted an off-the-shelf portable x-ray fluorescence (XRF) spectrometer to reveal the soil and clay composition of objects, simply by touching their surface. .. Continue Reading Off the shelf tool sheds light on precious artefacts
Tags: archeology, X-ray
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