Liquid cooling is a method used to dissipate heat from electronic devices, particularly in high-performance computers and servers. It involves circulating a liquid, usually water or a specialized coolant, through a system of tubes and radiators. This liquid absorbs heat from components like the CPU and GPU, transferring it away to maintain optimal operating temperatures. This cooling technique is often more efficient than traditional air cooling, as liquids can carry heat away more effectively. Liquid cooling systems can be custom-built or pre-assembled, and they are popular among gamers and professionals who require reliable performance from their computers.