How does vitrification and cryonics relate to frankenstein?

this all depends on if its science, Cryonics is a method for life extension that, optimistically, depends on the advances human technology will achieve in the future. It entails preserving human bodies in cold states of three hundred and twenty degrees below zero using liquid nitrogen.  vitrification is the transformation of a substance into a glass, that is to say a non-crystalline amorphous solid. In the production of ceramics, vitrification is responsible for its impermeability to water. Vitrification is a cryopreservation technique that leads to a glass-like solidification. Oocyte, zygote, embryo and blastocyst freezing by vitrification method for cryopreservation have been used for many years beside sperms preservation.

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the narrator is saying that the old lady made her feel uncomfortable. you know this because they say "i found that rather irksome", "perhaps it was her being so upright and trim", and "i don't think it was that, because i thought that quaintly pleasant." hope this !