Computational Materials Science is an interdisciplinary field that uses computer simulations and modeling to study the properties and behaviors of materials at the atomic and molecular levels. By applying principles from physics, chemistry, and engineering, researchers can predict how materials will react under different conditions, which helps in designing new materials with specific characteristics. This field plays a crucial role in various industries, including electronics, energy, and biotechnology. By understanding the fundamental interactions within materials, scientists can develop stronger, lighter, and more efficient materials, leading to advancements in technology and improved performance in everyday products.