Ravec: a 3D evidence grid library, with uniform array and octree backends.
FUSE for Google Drive: also includes a simple rsync-like tool.
An article by David Burch on refraction in celestial navigation.
Coyote Point Geology and History: an incomplete study of Coyote Point.
[background photo: 54 images captured by QuickCam Pro 4000 in prime focus of 12" Meade Lightbridge, stitched with Hugin, light cloud conditions]