Microsoft stirs up server soup in effort to be cool Microsoft stirs up server soup in effort to be cool Adopts technology developed by the likes of LiquidStack to keep data centres cool. Credit: Photo by Gene Twedt for Microsoft. The thought of plunging a server rack into a vat of boiling liquid is likely to send most IT professionals into a fit of discomfort, yet this is exactly what Microsoft has been doing as it works to find new ways of keeping hardware cool. The vendor is in the midst of developing a two-phase immersion cooling system for servers as part of its long-term plan to keep up with demand for faster, more powerful data centre computers at a time when reliable advances in air-cooled computer chip technology have slowed.