This is my blog about computing science, my projects and anything else I find interesting. If you want to go back to my home page, click here.

## The hardest computational problems

Alan Turing proved that the halting problem is undecidable on our computers. But are there even harder problems than the halting problem? And what is the hardest computational problem that we can think of?

## Translate terms using Wikipedia articles

Some concepts have very specific translations in different languages that ordinary machine translations services like Google Translate and DeepL fail to grasp. A good way to really get the right translation for such concepts is to look up the article on Wikipedia and look at the different language versions of the article. I made https://TranslateWith.Wiki to make this process more convenient.

## Hacking QR code design

How to make QR codes that look like however we want and still work. Then making a web app that lets anyone create them. Plus bonus QR gifs.