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Journal : Pinisi: Physics Journal

Optimization of Nuclear Technology as a Sustainable Solution for Clean Water Production Anaska, Asty; Salsabila, Cindy; Wahyuni, Sri; Said, Sukmawati
Pinisi: Physics Journal Vol. 1 No. 1 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

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Abstract

Desalination can improve water quality, reduce water scarcity issues, and enhance both quality of life and economic conditions. Nuclear desalination is considered one of the viable sources for producing clean water, especially in arid or dry regions and coastal areas. Currently, several countries have shown interest in using nuclear energy for seawater desalination. This is because nuclear desalination is feasible and economically viable, as demonstrated by its implementation in various countries. The main advantage of utilizing nuclear technology in desalination is the availability of a large energy source, which enables efficient and sustainable desalination operations even in remote areas, leading to a renewed global interest in nuclear technology.
Physical and Optical Behavior of Turmeric in Aqueous Media: A Literature Review Said, Sukmawati
Pinisi: Physics Journal Vol. 1 No. 2 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/ppj.v1i2.10747

Abstract

The phenomenon of mixing turmeric in water is widely used as a simple science experiment to introduce basic concepts of physics and chemistry. However, the physical behavior of curcumin—the primary pigment in turmeric—is complex and influenced by various physical principles, including diffusion, optics, thermodynamics, and molecular dynamics. This literature review aims to synthesize and analyze scientific findings related to turmeric–water interactions from the perspective of fundamental physics. By reviewing national and international research articles, this study identifies the diffusion mechanism of curcumin as described by Fick’s Law, its optical properties responsible for light absorption and color appearance, and the physical factors—such as temperature, pH, and light exposure—that affect curcumin stability in aqueous media. Additionally, the review highlights the roles of Brownian motion and solute–solvent molecular interactions in explaining the microscopic behavior of curcumin particles. The findings indicate that the “turmeric in water” phenomenon is not merely a simple mixing process but involves complex physical dynamics suitable for use as phenomenon-based learning material in science education. This study provides a strong theoretical foundation for the development of educational experiments and opens avenues for future research on the physical characteristics of natural pigments.