The Friendship Forum (Fossil) 2023 event was held by the Physics Student Association, Faculty of Mathematics and Natural Sciences, Universitas Negeri Yogyakarta (HIMA Physics, Faculty of Natural Sciences (FMIPA), UNY) on Friday, September 29, 2023 at 09.20-11.20 WIB. Fossil 2023 was implemented in a hybrid manner, namely by combining online forums with offline forums. The online Fossil 2023 activities were carried out via Zoom meeting and attended by 26 students, while seven lecturers and 48 students participated in the offline Fossil 2023 activities.