News Events Archive Event archive Location: Braunschweig, Germany PhD retreat 2023 Retreat Start: Jun 5, 2023 End: Jun 7, 2023 Location: Braunschweig, Germany This year's PhD retreat will take our doctoral students to the city of Braunschweig, where they will visit the Physikalisch-Technische Bundesanstalt (PTB, the National Metrology Institute). [more]