Solitons are special waveforms that maintain their shape while traveling at constant speeds. They occur in various physical systems, such as water waves, optical fibers, and even in certain types of plasma. Unlike regular waves that can disperse and lose their form, solitons are stable and can interact with other solitons without changing their characteristics. The concept of solitons was first discovered in the context of fluid dynamics by John Scott Russell in the 19th century. Since then, solitons have been studied in mathematics and physics, leading to applications in fields like nonlinear optics and quantum field theory. Their unique properties make them a fascinating subject of research.