Radioaktivitet Og Halveringstid (updated 2025-03-30)
Duration: 13:39
41.2K views | Dec 14, 2017
41.2K views | Dec 14, 2017
Duration: 10:35
481.7K views | Nov 20, 2020
481.7K views | Nov 20, 2020
Duration: 8:08
486K views | Mar 10, 2021
486K views | Mar 10, 2021
Duration: 6:54
35.7K views | Jun 12, 2019
35.7K views | Jun 12, 2019