I was talking about the chance we will make these things before we go extinct. And they might also be in the reference class of perpetual motion machines, but that seems unlikely as we have a natural exemplar for General Intelligence.

ETA: And to narrow down what I thinking of when i said cryonics and AGI. Cryonics: reanimation from current or next 50 year freezing methods. AGI: GI runnable on standard silicon.