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All Journal Techno: Jurnal Penelitian SAINTIFIK@ : Jurnal Pendidikan MIPA Jurnal Ilmiah Ecosystem Gravitasi: Jurnal Pendidikan Fisika dan Sains EduLine: Journal of Education and Learning Innovation Jurnal Pengabdian dan Pemberdayaan Nusantara (JPPNu) Jurnal Masyarakat Mengabdi Nusantara Alkhidmah: Jurnal Pengabdian dan Kemitraan Masyarakat Faedah: Jurnal Hasil Kegiatan Pengabdian Masyarakat Indonesia
Usman Sambiri
Universitas Khairun
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Engineering Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences Other

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Inflation by The Einstein-Scalar-Gauss-Bonet Theory with Potential Inflation Sambiri, Usman; Saputra, Aji
TECHNO: JURNAL PENELITIAN Vol 14, No 2 (2025): TECHNO JURNAL PENELITIAN
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v14i2.10643

Abstract

Research has been conducted on the inflation theory by Einstein scalar-Gauss-Bonet theory with inflation potential to study the scenario of inflation. The purpose of this study is to calculate the inflation solution of the ESGB model. The research method used is a literature study with a mathematical approach. In this model, the Gauss-Bonet term is coupled with a scalar field so that it significantly modifies the dynamics of the early universe. The form of the scalar field used is f(Phi) = lambda(Phi)2 and the inflation potential is quadratic, V = (Phi)2 . The lambda values used are 0.1; 0.2; 0.5; 1.0; 2.0; 10. For lambda less than or equal to 0.5, successfully demonstrate the inflationary solution, namely obtaining an exponentially expanding scale factor and a fixed value of the Hubble constant. In addition, the linear e-fold value is obtained by a linear graph and an exponentially decaying scalar field is obtained and an exponentially decaying scalar field is obtained. These results indicate that the ESGB model with inflationary potential can demonstrate the existence of an inflationary solution.
Exploring Ethnophysics in Javanese Gamelan: Bridging Cultural Heritage and STEAM-Based Physics Learning Saputra, Aji; Sambiri, Usman; Fajrhi, Nur
SAINTIFIK@: Jurnal Pendidikan MIPA Vol 10, No 2 (2025): SAINTIFIK@: Jurnal Pendidikan MIPA EDISI OKTOBER 2025
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/saintifik.v10i2.11018

Abstract

This study aims to explore the ethnophysics characteristics of Javanese gamelan and to analyze how these characteristics can be integrated into STEAM-based physics learning. Specifically, the research seeks to identify the ethnophysics phenomena embedded in gamelan instruments, examine their cultural meanings, and formulate pedagogical implications for culturally responsive science education. Using a qualitative ethnographic design, data were collected through interviews, observations, and documentation involving gamelan craftsmen, pengrawit, and cultural experts. The findings show that instruments such as saron, demung, peking, kenong, gong, and kendang embody fundamental physics principles, including vibration, resonance, frequency, amplitude, and damping, which arise naturally from their material composition, construction processes, and performance techniques. At the same time, these instruments carry symbolic values rooted in Javanese philosophy, representing harmony, balance, collectivism, and spiritual interconnectedness. The combination of scientific and cultural dimensions demonstrates that gamelan can serve as an authentic learning medium that bridges traditional knowledge with modern physics concepts. Pedagogically, integrating ethnophysics into STEAM supports interdisciplinary learning that blends scientific investigation, engineering design, mathematical reasoning, technological tools, and artistic expression. This approach enhances contextual understanding, creativity, inclusivity, and cultural identity. The study proposes the Ethno-STEAM model as an innovative framework for decolonizing science education by positioning cultural heritage as a legitimate source of scientific insight. Overall, the ethnophysics of Javanese gamelan offers a transformative pathway for physics learning that is both scientifically rigorous and culturally grounded.
Co-Authors Abdu Mas’ud Abi Suar Aji Saputra Aji Saputra, Aji Aji, Krishna Andy Hermawan Astuti Salim Chumidach Roini Darmawati Hady Dewi Amiroh Dewi Amiroh Fatma Hamid Fitriningsih P. Mahmud Haerul Haerul Halleyna Widyasari Hijrasil Hijrasil Hutri Handayani Isra Indry Widyasti Anwar Ismi Musdalifah Darsan Jainudin Abdullah Limatahu, Iqbal Mardia Hi Rahman, Mardia Hi Masrifah, Masrifah Mukhtar Yusuf Nasrun Balulu Nasrun Balulu Nur Fajrhi Nurdin Abdul Rahman Nurul Ainun Tangge Saprudin Saprudin Saprudin, Saprudin Sartika Putri Sailuddin Sitti Mukarramah Sumarni Sahjat, Sumarni Suyitno Suyitno Syahrial Maulana Taib, Suryani Yetti Yetti Yusmar Yusuf Zandy Pratama Zain