Hafez Shirazi was a distinguished Persian poet. His poetry collection, Divan, is regarded as a literary work of profound significance. Iranians view this collection as something much more than poetry because it is also used for bibliomantic purposes. After studying Hafez in his social context and exploring distinctive qualities of his Divan, particularly its application as a divination tool, th...

The Koszul-Tate resolution is described in the context of the geometry of jet spaces and differential equations. The application due to Barnich, Brandt, and Henneaux of this resolution to computing the horizontal cohomology is analyzed. Relations with the Vinogradov spectral sequence are discussed. The Perl motto is “There’s more than one way to do it.” Divining how many more is left as an exer...

The following paper examines ongoing work on Wigglestick, a mobile way-finding service for the urban pedestrian. It enables users to tag media at specific spots, make their location visible to approved friends, and find their way to desired places. Its usage of the divining rod as a metaphor for the development of the mobile application has encouraged a minimal abstracted visualization approach...