Cryogenics is a scientific field dealing with the effects of extremely low temperatures. The term originated in the Netherlands in 1894 and study began in 1887, when researchers turned gases like oxygen, nitrogen, and hydrogen into liquids using extreme cold. Cryogenics in modern times usually refers to the use of temperatures below -150°C. The terms "cryogenics" and "cryonics" refer to two separate practices. Cryogenics is a legitimate and accepted scientific field dealing with low temperatures. Cryonics is the unproven process of freezing the human body for future revival. There are currently three cryogenics facilities operating in the United States and Russia.
Cryogenics to expand human life caught public attention in 1962 when Robert Ettinger founded the Cryonics Institute in Michigan. The goal of cryonics is to freeze a human body long-term, preventing deterioration. It was initially conceived for people with incurable illnesses or people at the end of their natural lifespans. The premise is based on the expectation that future advances in medical technology will save people that can not be saved today.
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