Category Archives: Personal

Strange Encounters

The man from Dutch Railways (NS) had actually grabbed and stopped my tricycle and walked around to stand in front of me. My front wheel was between his feet, so I couldn’t turn away. He looked at me and said: … Continue reading

Posted in Personal, Travels | 5 Comments

Paraclimbing Edinburgh

In September I competed for the IFSC Paraclimbing Worldcup in Edinburgh (UK). The two qualification routes went well, but in the finals I fell from the third grip (the grip I’m sitting on in the picture). But I had a … Continue reading

Posted in paraclimbing, Personal, Travels | Leave a comment

Mouthguard

I grind my teeth. Even when I’m not thinking about very difficult things – such as what present to give my mother for her birthday – I scrape the teeth of my lower jaw with my upper teeth. The dentist kindly … Continue reading

Posted in paraclimbing, Personal | Leave a comment

Paraclimbing World championship – Paris, 2016

UPDATE: I ended fourth in my category. That’s less than I had hoped for, but a lot more than I had expected (I was the only Dutch finalist). The next worldchampionship (Innsbruck, 2018) I’ll do better!

Posted in paraclimbing, Personal, Travels | Tagged , , , | 5 Comments

Olympic paraclimbing

Besides physics and philosophy I invest quite a lot of time and energy in sports. Several years ago a friend of mine asked me to join him to go climbing in a gym. When he saw me wavering he spoke … Continue reading

Posted in paraclimbing, Personal, Travels | Tagged , , , | Leave a comment

Conference Vienna, part I – ethical asymmetry at the airport

At international conferences the university or institute hosting the conference often provides a list of hotels which are a relatively small distance from the conference site. The hotels on this list are usually neither the cheapest nor the cosiest, but … Continue reading

Posted in Personal, Travels | Tagged , , , , , | Leave a comment

Post Zero

I considered starting my first blog post with the sentence “I have a brain tumour” but I’ve chosen this sentence instead. Be that as it may, I do have a brain tumour. The tumour has caused my left body-half to … Continue reading

Posted in Personal | Tagged , | Leave a comment