Arianna Borrelli worked as a researcher in Theoretical High Energy Physics in Italy, England and Switzerland. She studied philosophy and history at the Technical University of Braunschweig, Germany, taking a Master in Philosophy 2002 and a PhD in the History of Science and Technology in 2006, with a thesis on medieval mathematical natural philosophy. In 2005, she was granted a two-year post-doctoral fellowship at the Max Planck Institute for the History of Science (MPI) Berlin for a project on heat, cold and their degree of temperature. At present, she is post-doctoral fellow at the Fritz Haber Institute (FHI) of the Max Planck Society Berlin, participating in a joint project of the FHI and MPI on the history of quantum mechanics. She is currently finishing a book on astrolabes and mathematical communication in high medieval Latin Europe, to be published in 2008.