I am one year older again. (Celebrating my birthday – or something like that -, tomorrow will be a holiday at K.U.Leuven…) Not a huge change, but being closer to thirty than twenty sounds a bit terrifying :D Anyway, what really matters is how old do you feel, and not how old you really are ;) Two weeks ago I (and Jonas, a colleague of mine) did some experiments with flashes in the dark corridors of the department, and one of the resulting portraits is shown above (a more conventional can be seen here). Just because the last portrait I had was already several years old…