The article discusses TU Braunschweig's prominent presence and contributions at the Hannover Messe, showcasing cutting-edge technologies and research initiatives. The university's Cluster of Excellence 'SE²A' presents 'CLIME', a sustainable aviation model, emphasizing energy efficiency and emission reduction in medium-range aircraft. Additionally, TU Braunschweig highlights developments in quantum technology through Quantum Valley Lower Saxony, demonstrating real solutions for quantum computers, sensors, and communication. The Institute for Machine Tools and Production Technology exhibits research activities in recycling management, including circular production for electromobility at various stands. Notably, hydrogen technologies take center stage, with TU Braunschweig participating in the Hydrogen Campus Salzgitter and presenting the HVBatCycle project for battery recycling. The article also mentions TU Braunschweig's involvement in technology transfer discussions and digitalization advancements in the automotive sector. Overall, the sentiment towards hydrogen and other technologies is positive, emphasizing innovation, sustainability, and the practical application of research.