Beat Birkhofer

ISUD International Symposium on Ultrasonic Doppler Methods for Fluid Mechanics and Fluid Engineering

PhD: Ultrasonic in-line characterization of suspensions

Cycling tours in Europe between Balkan, Pyrenees and Skandinavia

SMSwiss A MacOSX widget to send SMS with most of the Swiss SMS providers (currently Sunrise, Cablecom, Yallo and ETHZ)

Sika AG specialty chemicals

I give away some rare computer hardware for free.