This compilation of papers includes the proceedings from two distinguished conferences: the 13th International Conference on Nano and Materials Science (ICNMS 2025, Atlanta, GA, USA, from January 13 to 17, 2025) and the 8th International Conference on Materials Engineering and Applications (ICMEA 2025, Bangkok, Thailand, from January 15 to 18, 2025). The collected articles will be helpful for specialists in applied materials and technologies for many industrial branches.