A Marseillaise for our age






[This blog is normally in English, but today’s article is particularly relevant to French speakers. The topic: freeing a national anthem of its hateful overtones.] Mardi dernier quatorze juillet, une fois de plus, la Marseillaise a retenti un peu partout. C’est le jour où les hommes politiques s’essayent à l’entonner, juste ou (plus souvent) faux. … Read more




How to learn languages






Most people in technology, trade, research or education work in an international environment and need to use a foreign language which they learned at some earlier stage [1]. It is striking to see how awfully most of us perform. International conferences are a particular pain; many speakers are impossible to understand. You just want to … Read more




New paper: Theory of Programs






Programming, wrote Dijkstra many years ago, is a branch of applied mathematics. That is only half of the picture: the other half is engineering, and this dual nature of programming is part of its attraction. Descriptions of the mathematical side are generally, in my view, too complicated. This article [1] presents a mathematical theory of … Read more