Gutenberg’s printing press revolutionized the way the written word was replicated, bringing two-dimensional printing into the world and so vastly increasing accessibility of information. From that ...

HEIDELBERG, Germany—October 20, 2015—A marketplace of ideas at the stand of Heidelberger Druckmaschinen AG (Heidelberg) will offer visitors to InPrint 2015, which is taking place in Munich from Nov.

We realize such a 2D topological pump using arrays of coupled waveguides (Fig. 1b). Each array is constructed to emulate the 2D pump (equation (1) with b x = 1/3 and b y = 1/3), using 7 rows and 13 ...