Sarah Kellberg is a Research Scientist at IPN (Leibniz Institute for Science and Mathematics Education) and an Associate Researcher at the Deutsches Museum. She joined the Deutsches Museum in 2012 and was head of the curatorial team of the special exhibition energie.wenden. She is now working on her PhD project regarding the scientific understanding and socio-scientific application of the energy concept within the KiSOC project (Kiel Science Outreach Campus) at IPN