For all the CompSci majors out there :P Water on a screen after a torrential rain, which could be construed as an array of single bits, "0" for empty, "1" for a water bubble. The reflection in the bubbles is a tree in the front yard. Used direct flash through a tiny softbox to increase visibility of the screen.

The stone arch gate in the woods East of St John's University, built in 1931 for a purpose I haven't been able to track down. It's oftentimes confused for the entrance to the original monastery site (moved in 1867 to where campus is currently located).

Canon EOS 40D, Tamron 17-50mm f/2.8 Di II LD, Apple Aperture, Tiffen DFX.

Yes, the obligatory picture from the 4th; taken from a bridge crossing the Red River of the North. 17mm @ f/8, 5s, ISO 400.