To observe very small objects, scientists use a microscope. Microscopes are essential tools in various fields such as biology and materials science. They allow for the magnification of tiny structures, enabling the visualization of cells, bacteria, and even molecular components. Two main types of microscopes are used: light microscopes, which utilize visible light to illuminate specimens, and electron microscopes, which use electron beams for much higher magnification and resolution. Each type serves a critical role in advancing knowledge in numerous scientific disciplines.