Inside the D-Wave Two quantum computer housed at the NASA Advanced Supercomputing (NAS) facility. A dilution refrigerator cools the 512-qubit Vesuvius processor to 20 millikelvin (near absolute zero) — more than 100 times colder than interstellar space.
Credit: NASA Ames / John Hardman
Source: What will NASA be doing with its new quantum computer? (io9.com)