Historically, nuclear reactors emerged from scientific breakthroughs in the 1930s and 1940s, initially linked to weapons development during World War II. The first reactors were built to produce plutonium for bombs, but soon the potential for peaceful energy became clear. The 1950s saw the birth of commercial nuclear power plants. Since then, reactors have evolved through generations, improving safety and efficiency. Events like the Chernobyl and Fukushima accidents have shaped public perception and policy, underscoring the importance of rigorous safety standards and transparency.