Sonoluminescence is a phenomenon where small gas bubbles in a liquid emit short bursts of light when exposed to intense sound waves. Scientists were intrigued by this effect as it challenges conventional understanding of light generation, leading to experiments that explore the conversion of sound energy into light. The process involves the rapid compression and rarefaction of the gas bubble, resulting in extreme conditions that produce light. Anti-nodes refer to points in a standing wave where the amplitude is at its maximum, playing a crucial role in the formation of the bubbles that generate sonoluminescence. Understanding this phenomenon can provide insights into energy conversion and the behavior of matter under extreme conditions.