tron
Real Life Tron using GPS and bicycles

drfloyd
The autonomous cleaning robot from hell

rfiddler
A scifi-gun that can fry electronics

autosentry
A robot mounted with a paintgun that tracks paintballplayers with a videocamera, prioritises targets and tries to eleminate all of them

minisentry1
Face-recognizing, usb-controlled softair-gun for my desktop

laserpointergestures
Gesture based control using a Laser pointer and Image Recognition

3d-camera-tracking
Realtime 3D Camera travel path reconstruction

borgcocker
The only hybrid and only eletronic 6-way Autococker in the world, a computer in a pod, around-edges / night-vision camera system

irtag
Wireless IR-Target for Paintball practise

fretsmapper
Dual Keyboard key router for Frets on Fire

fretslatte
Homebuilt 18-key usb guitar for Frets on Fire

braaaains
Party compatible multi-mode brainmachine

kata_php_framework
A lightweight and fast MVC Framework for PHP5

sse
Vortrag: Simple Sharing Extension 

ifa99
What happened with me / what i did at the Internaltionale Funkausstellung in Berlin without any sleep at all

cityscreen
A city-wide informercial-network with plasma-screens i developed a whole software-suit for in no time and its sudden death

pfm500
The tale of the computer inside the plasma-screen, a big company, and a fatal missed patent opportunity

best-chart-ever
You are going to love this chart as much as i do

multipong
4 screen pong quickhack

amigaintro
My first ever Amiga-intro (1990)

thedoor
A huge conspiracy involving the University of Karlsruhe

keyboard-cleanup
My keyboard gets washed

mini_ergo_4000
My Microsoft Ergo 4000 loses its numpad

nerd_porn_console
Title says it all

patents
My missed patent application opportunities

borgshisha
Eine außergewöhnlich gut schmeckende und leicht zu ziehende Shisha gebaut aus einem Gurkenglas und OP-Zubehör 

renovating_the_bathroom
and having fun while doing it

swordfun
A small display of my swordskills

korea
Business trip to Seoul

laser
25 Watts of laserpower over Karlruhe

trip_to_kunming_(china)
Around 1999. Scary.