Santa’s Christmas delivery route revealed

Data visualisation meets children’s curiosity. We immerse ourselves in geoinformatics to find out how postal services in the USA, in Germany and in Hungary carved their countries into mosaics of postal code areas. Visually striking maps emerge from the opaque depths of numerical data. Whoever still sends letters by post will notice that addresses closestContinue reading “Santa’s Christmas delivery route revealed”

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When are kids born? Anyway, when are babies conceived?

My current subject is the seasonality in the number of births. I have looked up the number of live births in several countries over a number of years with monthly resolution. My primary question is whether there are certain months of the year in which more babies are born than could be expected. There areContinue reading “When are kids born? Anyway, when are babies conceived?”

Height matching for a harmonious-looking pair

I’m somewhat obsessed with the heights of people around me. I also have an interest in harmony and aesthetics. So I have been thinking what height proportions make a nice couple. If you are looking for a partner from the opposite sex (whether for a romantic relationship or for dancing), what height would be aContinue reading “Height matching for a harmonious-looking pair”