The word refrigerator literally means cold. And, ultimately, the No. 1 function of this major home appliance is to keep your food at an optimum temperature to stay fresh and keep bacteria at bay.
The image illustrates the working principle of the quantum refrigerator. The device, composed of two qubits - one hot and one cold - cools a third, target qubit. Powered by heat from a nearby hot ...
pumps heat from the target qubit into the quantum refrigerator's second qubit, which is cold. That cold qubit is thermalized to a cold environment, into which the target qubit's heat is ultimately ...
When an outage hits, keep your refrigerator and freezer doors closed -- don't open them up unless you absolutely need to, and even then, try to do so quickly so as not to let the cold air out.