Krypton-81 isotope can help map underground waterways

Argonne physicist Zheng-Tian Lu (in back) and his team (from left to right: Arjun Sharma, Wei Jiang, Kevin Bailey, and Guomin Yang) stand with the ATTA device, which measures individual atoms of the isotope Krypton-81 as part of an effort to model underground aquifers and predict how fast they refill.

 

Photo by George Joch / Courtesy Argonne National Laboratory.

 

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Taken on September 15, 2011