Pendulum waves are a fascinating demonstration of wave motion created by a series of pendulums of varying lengths. When these pendulums are set in motion simultaneously, they swing back and forth, creating a visual effect that resembles waves. The different lengths cause each pendulum to have a unique period, resulting in a rhythmic pattern that appears to travel along the line of pendulums. This phenomenon can be observed in various educational settings, often used to illustrate concepts in physics such as harmonic motion and wave behavior. The visual impact of pendulum waves captivates audiences, making it an effective tool for teaching about periodic motion and synchronization.