A Rube Goldberg machine is a complex contraption designed to perform a simple task through a series of intricate steps. Named after the American cartoonist Rube Goldberg, these machines often use everyday objects in creative ways, showcasing the principles of cause and effect. Typically, a Rube Goldberg machine involves a chain reaction where one action triggers another, leading to the final outcome. These machines are popular in educational settings and competitions, as they encourage problem-solving, creativity, and engineering skills while entertaining audiences with their whimsical designs.