@article{Carmesin_Carmesin_2014, title={How Old is the Universe?}, url={https://ojs.dpg-physik.de/index.php/phydid-b/article/view/558}, abstractNote={<p class="PhyDid-AbstractListe"><span lang="EN-GB">We present a teaching unit that offers the students the opportunity to discover the age of the universe by hands on model experiments also with applets. We present a novel software, worksheets and outlines of lessons. We present experiences with students and a teacher training.</span></p>}, journal={PhyDid B - Didaktik der Physik - Beiträge zur DPG-Frühjahrstagung}, author={Carmesin, Hans-Otto and Carmesin, Ellen}, year={2014}, month={Dez.} }