
Cryogenic vacuum
A cryogenic vacuum involves cooling a space to extremely low temperatures, often using cryogenic liquids like liquid helium, to remove gases and reduce pressure to near vacuum levels. This process minimizes heat transfer and prevents contamination or degradation of sensitive equipment, such as telescopes or scientific instruments. The low temperature also helps in controlling thermal noise, making measurements more precise. Essentially, a cryogenic vacuum creates an environment that is both extremely cold and very empty, ideal for high-precision scientific experiments or advanced technology operations in space and research facilities.