This document is a technical report that discusses the role of nuclear power in the clean energy transition. It outlines the two primary types of nuclear reactions, fission and fusion, detailing their processes and the current state of technology. The report emphasizes the resurgence of nuclear power due to the urgent need for clean energy sources to combat climate change. It addresses the advantages of nuclear power, such as its ability to produce large amounts of electricity with minimal greenhouse gas emissions and its reliability as a baseload power source. The report also highlights the risks associated with nuclear power, including radioactive waste management, high construction costs, and public safety concerns. Furthermore, it presents Small Modular Reactors (SMRs) as an innovative solution that offers flexibility and reduced financial risk. The document concludes by discussing the potential integration of nuclear power in AI data centers, emphasizing the importance of stable energy supply for their operations.