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Author Topic: How can we tell whether a rock is man-made or natural?  (Read 2072 times)

Offline thedoc

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New technique uses infa-red to tell whether rock fragments are man-made or naturally occuring. This useful new technique has been tested successfully by Israli archaeologists.
Read a transcript of the interview by clicking here

or Listen to it now or [download as MP3]
« Last Edit: 22/07/2011 12:54:07 by _system »


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