Karolina Papis-Frączek (MSc., PhD student), academic teacher and research assistant at the AGH University of Science and Technology, Faculty of Energy and Fuels, Krakow, Poland. Member of a research group focused on the issues of renewable energy technologies at the Department of Sustainable Energy Development. Ms. Papis’ research interests include experimental and numerical studies on the efficiency of renewable energy technologies. Preparation of her doctoral thesis involves research into the use of concentrated solar radiation for the purpose of heat and electricity generation. She is author and coauthor of 20 scientific and popular science papers.