IPB University students successfully developed a product that can absorb heavy metal waste from tuna bones. This innovation to absorb heavy metal waste named A Logam (A Metal). Through the 2019 Student Creativity Program (PKM), three students from the Department of Physics, Faculty of Mathematics and Natural Sciences (FMIPA), Avia Sefrianty Hidayat, Muhammad Farhan, and Zulfa Aulia Rahma made hydroxyapatite mineral particles. Avia and the team developed this innovation with guidance from Dr. Akhiruddin Maddu, lecturer of the Department of Physics, FMIPA, IPB University.