Science learning is very important to be implemented at every level of education, starting from the lowest level such as elementary education to higher education. One of the science learning is Physics, which is learning that teaches various knowledge that develops reasoning, analysis and critical thinking skills. Some students say they find it difficult to learn physics because there are many …
Education is basically a conscious effort to develop the human resource potential of students by encouraging and facilitating teaching and learning activities. The development of science and technology has also progressed very quickly, this situation has influenced all aspects of human life, including the world of education. To be able to keep up with current developments, good quality educatio…
Education plays an important role in the development of the nation and state. The low quality of education at all levels and educational units in Indonesia is one of the problems we face in modern times. The most basic problem in the world of education is the low attention of students during the learning process, especially science learning. Science learning is a type of contextual learning in …
Physics studies the relationship between physics concepts and the development of science and technology, along with its application in everyday life. Therefore, physics lessons are very important to be taught in schools. The implementation of physics learning can be said to be effective if students are able to obtain final results in accordance with learning objectives, but in reality not all s…
Fiber optic sensors based on Fiber Bragg Grating (FBG), which are small in size, resistant to electromagnetic interference, and can work with non-obtrusive materials, are a good alternative for monitoring human heart rate. The conventional method for monitoring heart rate in a Magnetic Resonance Imaging (MRI) environment, the electrocardiogram faces the problem of magnetohydrodynamic interferen…
Indonesia possesses significant potential in iron sand resources; however, the lack of domestic iron sand processing technology has resulted in dependence on foreign technologies. A comprehensive study on the potential of magnetic minerals to determine the quality of iron sand's magnetic minerals involves measuring magnetic susceptibility. This research aims to design and develop a magnetic sus…
Crystal structure visualization and X-ray diffraction pattern simulation of various types of ZnO microstructures have been successfully carried out using the VESTA software program. The purpose of this study was to obtain the relationship between the shape of the structure, microstructure, and composition to the peak diffraction pattern. The program reveals on the shape of the crystal structure…
Cascaded Fiber Bragg Grating (CasFBG) was introduced as an innovative solution to address the challenge of optical signal dispersion on single-mode optical fibers. The system is designed to improve the quality of optical transmission by minimizing the dispersion effect, so as to support the performance of more reliable and efficient optical communication networks. The implementation and analysi…
Carbon materials derived from biomass have important role in the development of sustainable technology, becauseadvantages include easy to obtain, environmentally friendly, low cost, and high specific surface area. low cost, and high specific surface area. Carbon materials that are added with NiCl2 catalyst and temperature variations of 600 oC, 700 oC and 800 oC using N2 gas can improve the perf…
Methylene blue (MB) is a cationic dye widely used in the textile, paper, and plastic industries. MB is known to be toxic, carcinogenic, and mutagenic, making it a serious threat to the environment and human health if discharged into wastewater. The treatment of MB waste requires an efficient and effective method to prevent environmental pollution. One promising approach is Advanced Oxidation Pr…
Biomass-based carbon materials are important in the development of sustainable technologies, due to their abundant availability, environmental friendliness, low cost, and high specific surface area. Carbon materials doped with heteroatoms can improve the performance of supercapacitor cells by changing the surface properties of carbon electrodes such as conductivity and apparent capacity. The do…
This research aims to analyze peat soil electrical conductivity and impedance values using the four point probe method. Peat soil samples were taken from locations with a depth of 20 cm from the surface. Electrical conductivity measurements were performed using the four point probe method with brass wire with a length of 5 cm as electrodes. The results showed that the electrical conductivity o…
The quality of Crude Palm Oil (CPO) can be determined through the assessment of beta-carotene content in Fresh Fruit Bunches (FFB) of oil palm. This study aims to utilize an LED-based multispectral imaging system to predict the beta-carotene content in FFB. The imaging system employs eight LED wavelengths (680 nm, 700 nm, 750 nm, 780 nm, 810 nm, 850 nm, 880 nm, and 900 nm) as light sources. A P…
This study aims to fabricate Dye-Sensitized Solar Cells (DSSC) based on ZnO nanorods by enhancing their efficiency through titanium (Ti) doping in the active ZnO material. It also investigates the effect of varying the growth time of ZnO nanorods on DSSC efficiency. Ti-doped ZnO nanorods were successfully synthesized using a seed-mediated hydrothermal method with variations in growth time. The …
The identification of full and empty palm fruit bunches after threshing plays an important role in improving the oil extraction rate (OER) in palm oil mills. Undetected filled palm fruit bunches after threshing can reduce extraction efficiency and lead to oil loss cases. Manual assessment is often slow and inaccurate, so a faster and more effective technology is needed. This study uses computer…
The fabrication of a supercapacitor cell from hierarchically porous activated carbon and nanofibers derived from acacia leaves (DA-Acacia Mangium Willd) has been successfully accomplished. The electrode fabrication process for the supercapacitor cell was conducted using a simple, efficient, and environmentally friendly method. The preparation of activated carbon involved steps such as preparing…
Pendidikan memiliki peran penting bagi kemajuan sebuah bangsa dan negara. Pada abad 21 ini banyak sekali negara di dunia berlomba-lomba untuk terus meningkatkan kualitas dunia pendidikannya. Hal ini dilakukan dengan tujuan untuk mempunyai sumber daya manusia yang berkualitas tinggi dan memiliki daya saing yang tinggi. Salah satu cara untuk meningkatkan kualitas sumber daya manusia pada sebuah n…
The development of science and technology in the 21st century is very rapid, where technology is widespread in various aspects of life, especially in the world of education. To keep up with the development of science and technology, students must be able to understand technological developments and use them wisely. Based on PISA 2018 data, it can be seen that the scientific literacy skills of I…
21st century skills are abilities that every student must have, consisting of 4 competencies which include creativity, critical thinking, communication and collaboration or often called 4C skills. 21st century skills in terms of problem solving abilities are one of the focuses of physics learning. However, the quality of students' problem solving abilities is still relatively low. Students' fai…
Dalam pembelajaran fisika, siswa diharapkan mampu memahami konsep fisika secara menyeluruh, mampu membuktikan konsep fisika yang dipelajari, hingga mampu mengaitkan dalam fenomena yang ditemui dalam kehidupan sehari-hari. Permasalahan pendidikan di Indonesia adalah kurangnya proses pembelajaran yang melibatkan siswa aktif belajar. Berdasarkan hasil wawancara, penulis menyoroti bahwa pendidik se…