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This reseacrch aims to reveal the metaphusical meaning within the Penti ceremony as a form of thanksgiving to God (Mori Kraeng) in the Kuleng Waga Tribe community, Mano Village, Easr Manggarai. The Penti ceremony is a hereditary customary rite that marks the end of the harvest season and server as a religious momentum to renew the relationship between humans, nature, ancestors, and God. From a metaphysical perspective, Penti reflects the awareness of the existential interconnectedness between creatures and the Creator, as developed in the philosophy of Aristotle and Thomas Aquinas concerning actus assendi and participatio entis. Through a qualitative approach and cultur hermeneutics, this study interprets the symbols and ritual actions of Penti as a concrete expression of the ontological relationship between sreation and the Transcendent. The result of the study show that Penti contains three main metaphysical dimensions: first, the ontological dimension regarding human awareness of existence and dependence on God; Second, the perticipatory dimension concerning the role of ancestors as a spiritual bridge between humans and God; Third, the eschatological dimension regarding the hope for the ultimate perfection of life in God. Thus, Penti not only holds cultural value but also carries profound theological and metaphysical meaning.

Physics learning requires higher-order thinking skills, particularly critical thinking and conceptual understanding. However, students’ critical thinking skills and physics learning outcomes at the senior high school level are still relatively low due to teacher-centered instruction and the limited use of innovative learning models and media. This study aimed to examine the effect of the CORE (Connecting, Organizing, Reflecting, Extending) learning model assisted by Lumio by Smart media on students’ critical thinking skills and physics learning outcomes. This research employed a true experimental design with a post-test only control group design conducted at SMAN 4 Jember in the 2025/2026 academic year. The samples consisted of two classes, with class XI Umum 2 as the experimental class and class XI Teknik 3 as the control class. Data were collected through tests and analyzed using the Mann–Whitney U test. The results showed significance values of 0.027 ≤ 0,05 for critical thinking skills which means H0 is rejected and Ha is accepted and 0.020 ≤ 0,05  for physics learning outcomes which means H0 is rejected and Ha is accepted. Therefore, it can be concluded that the CORE learning model assisted by Lumio by Smart media has a significant effect on students’ critical thinking skills and physics learning outcomes.

Coffee husk is an agro-industrial waste with significant potential to be utilized as a renewable energy source through the fast pyrolysis process. This study aims to analyze and optimize gas production from the fast pyrolysis of coffee husk biomass using a screw reactor through single-particle-based Computational Fluid Dynamics (CFD) simulations. The simulations were conducted by varying the operating temperature at 500°C, 600°C, and 700°C to examine pressure distribution, heat transfer, particle temperature, and the formation of pyrolysis products, namely bio-oil, biogas, and biochar. The modeling was performed using COMSOL Multiphysics 6.2 with a numerical approach to represent thermal phenomena and biomass decomposition reactions during the pyrolysis process. The simulation results indicate that increasing temperature significantly affects the rate of heat transfer and the temperature distribution of coffee husk particles. At 600°C, heat transfer and temperature distribution are more uniform compared to 500°C, although heating at the particle core is not yet fully optimal. The pressure distribution shows a stable flow of pyrolysis gas from the bottom to the top of the reactor. In terms of products, increasing temperature leads to a reduction in biochar and bio-oil formation due to the occurrence of secondary reactions, while biogas production increases. The highest gas production is achieved at 700°C, indicating the most optimal condition for maximizing gas yield from fast pyrolysis. Therefore, single-particle-based CFD simulation can be used as an effective tool to understand pyrolysis mechanisms and optimize process parameters in a screw reactor.

Physics learning requires students’ multirepresentational ability to understand concepts through verbal, mathematical, pictorial, or graphical forms. However, instruction at SMAN 1 Natal is still dominated by conventional methods, resulting in less active student participation and low multirepresentational skills. This study aims to determine the improvement of students’ multirepresentational ability after the implementation of the Problem Posing learning model on the topic of sound waves. The research employed a quantitative approach with a quasi-experimental design. The sample consisted of class XI MIPA 1 as the control class and class XI MIPA 2 as the experimental class. The research instrument was a multirepresentation test administered through pre-test and post-test. Data were analyzed using the Shapiro–Wilk test, the Mann–Whitney test, and the N-Gain test. The results of the normality test indicated that the data were not normally distributed; therefore, hypothesis testing was continued using the Mann–Whitney test, which yielded a significance value of 0.00 < 0.05. This result indicates a difference in the improvement of multirepresentational ability between the experimental and control classes. The N-Gain result for the experimental class was 49.40%, categorized as moderate. Thus, the implementation of the Problem Posing learning model in the experimental class resulted in an improvement that was lower than that of the control class

Indonesia, as a country with the highest seismicity in the world, requires an accurate earthquake prediction system through the use of the BMKG earthquake catalogue. This research aims to implement ETL-based data pipeline engineering to process 92,887 earthquake catalog entries for the 2008-2023 period into ready-to-use daily time series for the LSTM seismicity forecasting model. The ETL process includes raw data extraction, cleaning of 97% missing values columns on focal mechanism parameters, datetime conversion, daily resampling producing 5,200 entries with earthquake count, total magnitude, and average magnitude features, as well as Min-Max Scaler normalization for LSTM compatibility. The dataset was processed using Google Colab with a stacked LSTM architecture of two layers of 50 and 25 units, dropout 0.2, Adam optimizer, and a sequence window of 30 days to predict the daily earthquake count. The model trained for 100 epochs shows the ability to capture stable seismic activity trends with a consistent decrease in MSE loss, although it shows deviations in extreme spikes due to aftershock sequences. The ETL pipeline proved crucial in ensuring temporal consistency, 100% data completeness, and relevant physics representation, resulting in a reproducible end-to-end framework for disaster mitigation.

Highways play a strategic role in supporting economic development, so the quality of pavement materials (flexible pavement) must meet previously established quality standards. The Asphalt Concrete Wearing Course (AC-WC) layer, as the topmost layer of flexible pavement, is susceptible to damage caused by aging triggered by environmental conditions, particularly ambient temperature. Temperatures above 30°C are known to accelerate plastic deformation (rutting) and reduce pavement bearing capacity. The Meteorology, Climatology, and Geophysics Agency indicates that temperatures in Lhokseumawe City, North Aceh, range from 33.7–35.3°C with day-night fluctuations that could potentially accelerate the degradation of mechanical properties. This study aims to analyze the Marshall characteristics of AC-WC asphalt mixtures under ambient temperature conditions. The testing was conducted with varying exposure times of 0, 15, 30, 45, 60, 75, and 90 days at a minimum temperature of 23.90°C and a maximum temperature of 31.80°C, with an average humidity of 87.93%. The test results showed that the AC-WC asphalt mixture experienced a decrease in stability value of 21.37% and an increase in flow value of 36.36%, resulting in a decrease in the Marshall Quotient (MQ) value of 42.52%.

The academic crisis among Physics students often arises due to the pressure of the credit semester sistem (SKS), grade demands, and heavy study loads. This condition drives students to focus solely on achieving academic results, while the essence of learning as worship is often overlooked. This study aims to explore how the values of Islamic education, particularly the orientation towards rewards, can help students cope with academic pressure. The methods used include literature review and a quantitative survey with an online questionnaire completed by 56 Physics and Physics Education students at Universitas Pendidikan Indonesia. The analysis results show a significant correlation between the SKS pressure and changes in learning behavior (r = 0.807), while the orientation towards rewards acts as a spiritual balance. The findings suggest that Islamic education plays a crucial role in building academic resilience through values of sincerity (ikhlas), patience (sabar), trust in God (tawakal), and balance (tawazun). Thus, academic achievements can become a means of worship while contributing positively to society. This study highlights the importance of spiritual values in achieving balanced academic success.

The flood disaster the struct Mauponggo, Flores, Est Nusa tenggara, not only caused infrastructural destruction, loss of life and social trauma, but also revealed a deeper philosophical dimension of human existence. From an ontological prespective, a disaster is not merely a natural occurrence but a moment of disclosure that unvieils the existential fragility of human beings in the faceof natural forces beyond rational, technological, and social control. Onology, as a branch of metaphysics that explores the nature of being, understands humans as beings whose existence is inseparable from space, time, and limitation. Trough a reflective and literature based approach, this study examines the Mauponggo flood as an existential event that exposes the ontological condition of humanity, drawing particularly on Martin Heidegger’s concepts of being toward death and being in the world. The finding show that disaster reveals humans as finite and vulnerable beings who remain open to relationships with nature, others, and the transcendent. This study affirms that an ontological prespective on disaster not only enriches academic discussions on the philosophy of disaster but also holds practical signifincace. The awareness of existential fragility encourages social solidarity, ecological ethics, and deeper transcendental reflection. Thus, this work contributes to developing more reflective and meaningful humanitarian and sustainability responses rooted in a philosophical understanding of human existence and its place in the world.