Our group took part in the Langer Nacht der Forschung (#LNF22) or the Long Night of Research which gives an opportunity to anyone in Austria to look behind the scenes of research institution and find out what science is all about. We had a fantastic experience with super enthusiastic visitors of all ages and had a lot of eye-opening discussions about the science of green hydrogen. Thanks to Dogukan, Pablo, Jakob B. and Alexey for the non-stop 4 hours of taking about science a