APAM Fall 2013 newsletter The fall 2013 issue of the APAM newsletter focuses on the recent research from the Billinge group. Read about highlights in PDF tomography and charge ‘stripes’ in superconductors as well as other group news here: http://matsci.columbia.edu/files/seasdepts/applied-physics-and-applied-math/pdf-files/Fall_2013_Newsletter_1_0.pdf