Computers consist of several components where synonymous with all but one is hardbe. The exception is the medium used between a processor or graphics circuit and the radiator itself. We are of course talking about cooling paste, which helps to dissipate the generated heat from the silicon itself to the radiator, so that the heat can finally be pushed out of the chassis with a fan.
On Youtube, Tech Ingredients explains in detail what heat is, how it, like sound, is kinetic energy and follows the same principles, but also how you go about making your very own cooling paste. Cooling paste which according to the channel itself is better than what is on the market. Sit back and enjoy 47 minutes of high-level geekiness.