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Cryonics (from Greek: κρύος kryos, 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. It is generally viewed as a ...
A tank of liquid nitrogen, used to supply a cryogenic freezer (for storing laboratory samples at a temperature of about −150 °C or −238 °F) Controlled-rate and slow freezing, also known as slow programmable freezing (SPF), [18] is a technique where cells are cooled to around -196 °C over the course of several hours.
Nitrogen is a liquid under −195.8 °C (77.3 K).. In physics, cryogenics is the production and behaviour of materials at very low temperatures.. The 13th International Institute of Refrigeration's (IIR) International Congress of Refrigeration (held in Washington, DC in 1971) endorsed a universal definition of "cryogenics" and "cryogenic" by accepting a threshold of 120 K (−153 °C) to ...
A radical project aims to preserve Earth's species by cryogenically storing samples at lunar poles, offering a cosmic safeguard against environmental threats.
The surface environment does not play a decisive role in the formation of ice and snow. [8] Density fluctuations within water droplets result in the possible freezing regions covering both the interior and the surface [9] —that is, whether freezing from the surface or from within may be at random. [9]
At least six major areas of cryobiology can be identified: 1) study of cold-adaptation of microorganisms, plants (cold hardiness), and animals, both invertebrates and vertebrates (including hibernation), 2) cryopreservation of cells, tissues, gametes, and embryos of animal and human origin for (medical) purposes of long-term storage by cooling to temperatures below the freezing point of water.
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The cryonics procedure performed by the Cryonics Institute begins with a process called vitrification where the body is perfused with cryoprotective agents to protect against damage in the freezing process. After this, the body is cooled to -196°C over a day or two days in a computer-controlled chamber before being placed in a long-term ...