Small modular reactors (SMRs) are emerging as a major next step in nuclear energy, promising lower upfront costs, faster construction, modular deployment, and improved safety compared with conventional large reactors. This article explains how SMRs work, explores key reactor technologies such as light-water, molten salt, and fast reactors, and examines the biggest opportunities and risks shaping their future in clean energy, industrial decarbonization, and reliable power generation.

Zero is one of the most important concepts in human history, transforming mathematics, science, philosophy, finance, and computing. From its origins in Babylon, the Maya, and India to its central role in algebra, calculus, physics, and binary code, zero made modern civilization possible. This article explores the history of zero, why it matters, and how the number zero became the foundation of technology, innovation, and our understanding of the universe.