Eventually it gets too loud, so gamers replace fans with a water-cooling system--essentially a car radiator for their computer--which also enhances overall performance.

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The system is like a clever version of a car radiator, but in reverse, keeping the air rushing into the engine hot on the inside, and cool on the outside.

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The generators, which resemble massive steel fire hydrants, control heat in the reactors and operate something like a car's radiator.

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For an example, in a hybrid car, a radiator works to cool the combustion engine while a second radiator cools the power electronic system that runs the electric motor.

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Both are covered in a lined grille that makes us think of the radiator inlets on a Ferrari Testarossa, though that might be entirely due to the prevalence of said car on the walls of this author's childhood bedroom.

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