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ULT freezer. An ultra low temperature (ULT) freezer is a refrigerator that stores contents at −80 to −86 °C (−112 to −123 °F). [1] An ultra low temperature freezer is commonly referred to as a "minus 80 freezer" or a "negative 80 freezer", referring to the most common temperature standard. [2] ULT freezers come in upright and chest ...
Cryonics (from Greek: κρύοςkryos, meaning "cold") is the low-temperature freezing (usually at −196 °C or −320.8 °F or 77.1 K) and storage of human remains in the hope that resurrection may be possible in the future. [ 1 ][ 2 ] Cryonics is regarded with skepticism by the mainstream scientific community.
For much lower temperatures, laboratories usually purchase liquid nitrogen (−196 °C [−320.8 °F]), kept in a Dewar flask, into which the samples are suspended. Cryogenic chest freezers can achieve temperatures of down to −150 °C (−238 °F), and may include a liquid nitrogen backup.
The ideal temperature for freezers is 0º Fahrenheit. Freezers are one of the most helpful kitchen appliances of all time. The freezing point for water and many foods is 32º Fahrenheit, so you ...
Flash freezing. In physics and chemistry, flash freezing is the process whereby objects are rapidly frozen. [1] This is done by subjecting them to cryogenic temperatures, or it can be done through direct contact with liquid nitrogen at −196 °C (−320.8 °F). It is commonly used in the food industry.
The Minus Eighty-Degree Laboratory Freezer for ISS ( MELFI) is a European -built experiment storage freezer for the International Space Station. It comprises four independent dewars which can be set to operate at different temperatures. Currently [when?] temperatures of −80 °C, −26 °C, and +4 °C are used during on-orbit ISS operations.