Cryogenics
Cryogenics
Cryogenics (pronunciation: /kraɪoʊˈdʒɛnɪks/) is the study of the production and behavior of materials at extremely low temperatures. The term originates from the Greek words "kryos" meaning cold, and "genes" meaning born.
History
The field of cryogenics advanced during World War II when scientists found that metals frozen to low temperatures showed more resistance to wear. During this time, Clarence Birdseye developed the quick freezing process, which furthered the study of cryogenics.
Applications
Cryogenics has numerous applications, including the following:
- Superconductivity: At low temperatures, some materials conduct electricity without resistance. This phenomenon, known as superconductivity, has significant implications for the design and production of electromagnets.
- Cryosurgery: This is a type of surgery that uses extreme cold to destroy abnormal or diseased tissue.
- Cryopreservation: This is the process of preserving cells, tissues, or any other biological constructs by cooling them to very low temperatures.
- Food preservation: Cryogenics is also used in the preservation of food by freezing it quickly so that the water inside the food does not have time to form large ice crystals.
See also
References
External links
- Medical encyclopedia article on Cryogenics
- Wikipedia's article - Cryogenics
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