The Cooling Chain: Chip to Sky

Every watt the IT and power chain consume becomes a watt of heat, immediately and continuously, and the cooling chain's job is to move all of it from a silicon die a few millimetres across to the sky outside. That journey (chip to air, air to water, water to atmosphere) is the second-largest energy consumer in most facilities and the first place an auditor looks, because unlike the IT it serves, the cooling chain is entirely the operator's to fix. This lesson follows the heat out of the building and sets up the module-four lessons on making the journey cheap.