Topological transport of sound waves and vibrations in solids has attracted considerable attention in the past two years. Several approaches have been proposed and some have been demonstrated. However, it remains an outstanding challenge to create platforms for topological transport of phonons at the nanoscale. In this talk, I will describe thre...
Handwritten with instructions in red ink. The name that is signed with a flourish on this cover is seen stamped on another cover in the collection. See it in B87F08_02 http://purl.umn.edu/148032.
Creator:
Marpurg, Fr. W.; Distorf, Rudolph (?)
Contributed By:
University of Minnesota Libraries, Special Collections and Rare Books.
Announcement of four different political rallies with four different referees, between August 4 and August 7 1932; admission 0.30 Mark, unemployed 10 Mark; unusual design, font and color
Creator:
Marlin, Hans
Contributor:
Nationalsozialstische Deutsche Arbeiter-Partei
Created:
1932
Contributed By:
University of Minnesota Libraries, Upper Midwest Literary Archives.