Volker Rose, Physicist with the Advanced Photon Source and Center for Nanoscale Materials, Argonne National Laboratory, (www.anl.gov) and

Edward Vicenzi, Research scientist at the Smithsonian Institution’s Museum Conservation Institute, (https://www.si.edu/mci/).

Material failure caused by corrosion is dangerous and costs billions of dollars every year. What if you could figure out how to prevent and treat corrosion at the tiniest "nano" level before it has a chance to cause a material to fail? Viewpoints talks to two scientists who are researching that problem using an X-ray microscope and old photographs called "daguerreotypes." © Viewpoints 2013

Listen to the interview on iTunes (select 10/20/2013).