I am studying mathematics and computer science in Aachen. I like computer networks, Linux, Ruby and Matrix.
Some random pages that I created and that can be easily visited by anyone.
Small web app I created while working at the chair of art and design of RWTH Aachen University. You can find more info in our paper (in German). DOI: 10.48446/opus-15422
For playing kyougi karuta, one has to remember the 100 poems of the hyakunin isshu. You can drill yourself here.
To properly express an amount in Japanese, combining a number and counter word is necessary. You can test yourself with this slightly opinionated game.
Ancient Japanese verb conjugation and particle combination is not as straightforward as in modern language. Tis but a simple training website to help with memory retention.
My friends and me take part in Foodsharing. A little internal tool made for us by me to compare our engagement.
I don't remember why I made this, but SVCB/HTTPS RRs are pretty nice in my opinion.
I run a small IPv6-only network AS4242422269 on DN42. I used to administer AS200236 on the real internet, but currently don't have enough time to run a serious network. I do not host anything special, but in case you got curious and want to join, feel free to check out dn42.jdorn.eu after you completed your setup.