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Didn’t they eventually have to scoop up a decomposed human as bio-goop sludge from the bottom of one of the earliest cryopreservation capsules?
A lot of people died attempting to fly before we figured out how to do it.
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The earliest version of a lot of things didn't work /shrug.
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Most of the early cryo-patients didn't survive, the most notable incident being the Chatsworth disaster.
Cryonics has learned from those mistakes. In particular, cryonic orgs now absolutely refuse to preserve a patient unless he has already provided enough money to cover both his preservation and his upkeep, in perpetuity. This is important, because most cryonics failures happened partly or wholly due to financial problems.
From "Suspension Failures: Lessons from the Early Years", first published in Cryonics, February 1992:
And from "Don’t Ask, But Do Tell" by Mike Darwin:
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You probably mean Chatsworth scandal, this was indeed one of more embarrassing failures of early cryonics.
Normie introduction
Cryonicist-transhumanist introduction
If the improbable case anyone is interested in in-depth analysis what went wrong with cryonics, see "Cryonics: An Historical Failure Analysis" series.
Yes, freezing people is not easy.
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I'm not sure, but this shouldn't be an issue with modern preservation techniques.
Modern preservations techniques are virtually the same as they were back then; build a human-sized thermos, fill it with liquid nitrogen, stick the patient inside, and occasionally top it off with liquid nitrogen to keep it full as it boils off. The biggest difference is that they now pump a patient full of cryoprotectants to prevent freezing damage from ice crystals, a process called vitrification.
The big changes that were instituted as a result of the early disasters were institutional, not technological. Cryonics companies will refuse to touch you until you have paid them cold, hard cash, or given them ownership of a life insurance policy with a reputable life insurance company. Patients are stored upside-down so that their heads are protected longest in the event of liquid nitrogen boil-off. Cryonics orgs are prepared to convert their whole-body patients into neuros if that is the only way to keep them suspended.
These are all bitter lessons that had to be learned the hard way. Family members would arrange to cryopreserve their relatives, then lose interest in paying for their upkeep as the grief faded. Patients used to be stored upright for optics reasons. Patients that could have been saved were never converted to neuro, usually because of family objections.
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It’s not about preservation techniques, it’s about organizational continuity and goal rigidity. Unless the freezing capsules are buried in the Antarctic permafrost, they aren’t passively safe for the occupants and cryopreservation must be actively maintained.
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