Collection of possibly useful stuff
Take a journey into the Mandelbrot-Set. Freshly generated just for you (needs Java plugin).
IEEE 754 Floating Point Converter
If you have to or if you really want to, here you can see what floating point numbers look like as a binary number.
GPS coordinates NMEA2KML Converter
Converts GPS-coordinates in NMEA format to Google-Earth KML format.
Images from my trip to Chile in 2003
High-resolution image of earth
Satellite imagery of Earth (based on the NASA Blue Marble dataset).