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Identifying water's behavior when confined at the molecular level has been, in the field of nanofluidics, a source of controversy -- one that a Wayne State University researcher and his colleagues may have put to an end. Peter M. Hoffmann, Ph.D., associate professor of physics and materials science in WSU's College of Liberal Arts and Sciences, has found that, at the nanoscale, liquid water transforms into a rubber- like solid when squeezed at a certain rate. The study was featured in Nature India and Physical Review Letters, with a special Viewpoint written by well-known researchers from University of Illinois. Only 100 out of 18,000 papers in journals published by the American Physical Society are selected for a Viewpoint review each year. Hoffman's study has shed new light on the nanofluidics debate over the nature of confined water's mechanical properties.