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Keychron Function Keys on Linux

The F1-F12 keys on my Keychron K5 SE keyboard don't work properly on Ubuntu Linux. In this post I explain how to solve this.

Learning to Draw

I'm learning how to draw with an iPad and an Apple Pencil. My intent is also to have more hand-drawn illustrations on my website and in presentations.

I'm a PhD & work at Blender!

Yesterday I obtained my PhD degree in Computer Science at the Universiteit Utrecht, on the subject of the simulation of dense crowds. Of course my thesis Dense Crowds of Virtual Humans is available online!


Dit jaar zijn we weer naar Kroatië gegaan, en hebben we een heel aantal bol-panorama’s geschoten. Daarnaast ook een hoop zwart-wit foto’s met mijn Hasselblad 500 C/M. Hier onder vind je er alvast twee, de rest moet ik nog afdrukken en scannen.

Long romantic weekend in Paris

Marit and I had a long, very romantic weekend in Paris a few weeks ago. Photo-wise all I took with me was my Chinon CS, two lenses (50mm f/1.7 and 28mm f/2.

I'm going to do a PhD!

Last Monday I went for a job interview at Universiteit Utrecht. Later that day I received a phone call from my to-be-promoter telling me I’m hired! So starting this December, my life will be radically different.

I'm a Master of Science!

Yesterday I received my certificate from the Utrecht University! I’m now officially a Master of Science or Magister Scientiæ in Computer Science.

Graduated as MSc!

Last monday I defended my thesis and succeeded! I got an 8.5 (out of 10) as the grade, with which I’m very happy. This finalizes my Game & Media Technology computer science master at the Utrecht University.

New PGP key

I have superseded my old key with a new PGP key. Please import the revocation certificate for the old key and the new key.

Back from holiday

UPDATE 2019: The photos are no longer online. I’m back from holiday. We went hitchhiking from Amsterdam to Muker in the Yorkshire Dales (UK). Of course, there are plenty of pictures.