Pen and paper

At the start of my vacation I closed my laptop and went back to pen and paper. To get at the heart of things, nothing beats an empty sheet of paper and a clear schedule. I spent many weeks drawing objects and scenes, and deriving geometrical formulas with pen and paper. Don’t get me wrong,… Continue reading Pen and paper

Three-quarter view

The three guys in the painting above are all depictions of King Charles I, painted from different viewpoints by Anthonis van Dyck in 1636. In the middle we see a frontal view (“en face”), on the left a side view (“en profile”), and the most intriguing is the one on the right: the three-quarter view… Continue reading Three-quarter view

Watching geometry on YouTube

I am not a mathematician. During my training as a physicist I developed some competence in fields like geometry, algebra, and calculus, but I do not have the ability to create mathematics. I even find it really hard to read the mathematical literature. So I am probably missing out on exciting methods that may be… Continue reading Watching geometry on YouTube

Categorized as geometry