Heat dissipation refers to the process of releasing heat from an object or system to its surroundings. This is essential for maintaining optimal operating temperatures in devices like computers and engines. When components generate heat during operation, effective heat dissipation prevents overheating, which can lead to damage or reduced performance. Methods of heat dissipation include conduction, convection, and radiation. For example, heat sinks are commonly used in electronics to transfer heat away from sensitive components. Additionally, fans and liquid cooling systems enhance airflow and fluid movement, further aiding in the cooling process and ensuring efficient operation.