science club
blog, graphics, computer, abacus and periodic table

tuxtalk - everything penguin
play games with Gini and Karl, visit the artline museum, come to our penguin café and more

photos
photos from Canada, Europe and the US

toolbox: utilities and calculators
Take a look at the tuxgraphics free online toolbox with utilities and calculators.

avr microcontrollers and DIY electronics projects and tutorials
In our electronics section you can find tutorials on how to build your own avr programmer, a digital DC power supply, a tiny web server, an ethernet weather station, usb slide show presenter and lots more.

e-cards
send greetings to a friend

family history
(there is a German version here)