Maxwell's equations are a set of four fundamental equations in classical electromagnetism that describe how electric and magnetic fields interact and propagate. They were developed by Scottish physicist James Clerk Maxwell in the 19th century and are considered one of the most important achievements in the field of physics. The equations describe the behavior of electric and magnetic fields in the presence of electric charges and currents. They explain how these fields can be generated by charges and currents, how they interact with each other, and how they can propagate through space as electromagnetic waves. Maxwell's equations have had a profound impact on the development of modern technology, from the invention of radio and television to the design of computers and smartphones. They are also the foundation of the theory of classical electromagnetism and have laid the groundwork for the development of the theory of quantum electrodynamics.