Lulut Alfaris
Department of Marine Technology, Politeknik Kelautan dan Perikanan Pangandaran
Indonesia

Ruben Cornelius Siagian
https://www.researchgate.net/profile/Ruben-Siagian

Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Medan, Medan, 20221, Indonesia,
Indonesia

Ruben Cornelius Siagian is an independent researcher in the field of physics. He is affiliated with mhs.unimed.ac.id and has a verified email address. His research interests include Blackhole General Relativity, Theoretical Physics, Astrophysics, Cosmology, and Mathematical Analysis of the Heat Conduction Equation. One of his notable research publications is titled "Termodinamika Lubang Hitam: Hukum Pertama Dan Kedua Serta Persamaan Entropi," which was published in the Jurnal Kumparan Fisika in 2023. Additionally, he has co-authored research papers on topics such as the interconnectedness of cosmological parameters and observations, the speed of light in space-time, and the orbital properties of black holes. Siagian's work also extends to the field of philosophy, where he has explored the philosophy of physics in the context of the theory of relativity. Furthermore, he has contributed to research on topics like statistical data retrieval techniques in astronomy computational physics, the classification of spiral and non-spiral galaxies using decision tree analysis, and the analysis of solar flux and sunspot correlation. In addition to his research contributions, he has also been involved in education and has authored publications related to teaching and learning in the field of physics. Overall, Ruben Cornelius Siagian is an active and diverse researcher with a wide range of interests and contributions to the field of physics and related disciplines. He has published research papers in various journals, showcasing his expertise in these areas.

Aldi Cahya Muhammad
Department of Electrical and Electronic Engineering, Islamic University of Technology, Kustia, 7003
Bangladesh

Budiman Nasution
Department of Structure Engineering, Asiatek Energi Mitratama, Jakarta
Indonesia