What is the railgun theory?

The railgun theory involves a type of electromagnetic weapon that uses electromagnetic forces to launch projectiles at high velocities without the need for traditional propellants. It operates by passing a strong electric current through two parallel conductive rails, creating a magnetic field that accelerates a projectile along the rails. This technology has potential applications in military and aerospace fields due to its ability to achieve high speeds and long-range capabilities. However, practical implementation faces challenges related to power supply, heat management, and materials durability.