Browser wars Photo source: Ray Hennessy (@rayhennessy) | Unsplash Last week in Rijeka we held Science festival 2015 . This is the (hopefully not unlucky) 13th instance of the festival that started in 2003. Popular science events were organized in 18 cities in Croatia. I was invited to give a popular lecture at the University departments open day , which is a part of the festival. This is the…