MARÍA JAZMIN DUARTE CORREA explains how new technologies can help to pin down the impact of hydrogen. Focusing on the particular challenges involved in studying diffusible hydrogen, Duarte explains how nano-indentation can be used to specifically identify its effects. Looking forward, the research seeks to support the development of materials that are resistant to deformation caused by hydrogen. This has particular relevance for the energy sector where the storage and transportation of hydrogen presents a pressing challenge.