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Caption: Holger Müller (PI; left) and Shau-Yu Lan (lead author; right). This image relates to a paper that appeared in Jan. 10, 2013, issue of Science Express, published by AAAS. The paper, by S.-Y. Lan at University of California, Berkeley in Berkeley, CA, and colleagues was titled, "A Clock Directly Linking Time to a Particle's Mass."
Credit: [Image courtesy of Damon English]
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