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[–] 8 points 1 year ago (6 children)

The only real hurdle in the revival process is the fact that we don't know how to freeze folks while preventing microcellular crystals from forming. Reviving folks after that would simply be a matter of reversing the process.

And finding a way to reverse brain death.

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  • [–] 5 points 1 year ago (5 children)

    Isn't the real hurdle that the human body is composed of different materials that have different thermal expansion coefficients, meaning any kind of freezing or thawing will lead to cracks at all scales, even down to the molecular one?

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  • [–] 3 points 1 year ago (4 children)

    Yeah, humans are large and it's hard to freeze the entire thing at the same time even with very cold storage. The outside of you freezes before the inside and that's problematic.

    Smaller mammals like rodents have been frozen and thawed successfully while still living but they are way smaller.

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