In Finland, Ph.D. graduates are welcomed to wear a ceremonial top hat and sword for their graduation.    This unusual tradition is just one of the country’s curious quirks.    For instance, did you know there are more saunas than cars in Finland?    What’s also lesser-known, is Finland’s extensive contribution to graphene research through the European project, the Graphene Flagship.    Starting from the joint interest of Nokia and Finnish research institutes, soon after the exper...