120 years ago, MC Escher was born.
You may not have noticed it but European Regulations recently required some significant changes on web sites, in order to make sure that they are respectful of their visitors and -even more importantly- of the privacy of their data. Our web site has been adapting since a few weeks with a few nice changes, including:… Read More
Futura Sciences, an excellent science blog in French, published a nice portfolio of their preferred optical illusions. Not the most original ones, but definitely the most historically significant.