@inproceedings{HemmertHamannWettach2022, author = {Fabian Hemmert and Susann Hamann and Reto Wettach}, title = {The digital hourglass}, booktitle = {TEI '09 : Proceedings of the 3rd International Conference on Tangible and Embedded Interaction}, pages = {19 -- 20}, doi = {10.1145/1517664.1517672}, year = {2022}, }