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Xiyang Qiu, PTC Physics & Mechanical Engineering Tutor, is a senior double majoring in Mechanical Engineering and Computer Engineering. He is interested in applying engineering and computational skills to solve practical problems. Xiyang has also participated in materials research, where he gained experience working with experimental data and engineering analysis. He is excited to be part of the PTC community and looks forward to helping students strengthen their understanding of physics and develop confidence in problem-solving.