Note that cryogenics just refers to the study of very low temperatures, and cryogenic liquids are used in a vast number of scientific and industrial devices. T

Note that cryogenics just refers to the study of very low temperatures, and cryogenic liquids are used in a vast number of scientific and industrial devices. The topic of the book is more specifically cryonics, the (speculative) preservation of people using low temperature. https://en.wikipedia.org/wiki/Cryonics https://en.wikipedia.org/wiki/Cryonics