Yu Kyoung Ryu is a postdoctoral researcher in the group ISOM Graphene, Instituto de Sistemas Optoelectrónicos y Microtecnología (UPM), being currently the focus of her research graphene in energy applications. She has a degree and a PhD in Physics. Favourite scientific words: graphene, supercapacitor, scanning probe lithography. Favourite non scientific words: books, cinema, travelling, birds, winning the Christmas lottery.