ECDO stands for Exothermic Core-Mantle Decoupling – Dzhanibekov Oscillation.

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In replies to this Grok analysis, Ethical Skeptic says: With each new confirmation, comes the thrill of a successful model prediction – and then follows the existential reality that it makes this tin-foil hat theory, not only plausible, but a looming possible reality.

And: I hope I am wrong. ABN