A Simple Model of Grabby Aliens | Robin Hanson, George Mason University

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Robin Hanson, George Mason University: A Simple Model of Grabby Aliens

Given a hard-steps model of advanced life timing, our date now seems very early. One explanation is: an early deadline set by “grabby” civilizations (GC) who expand rapidly, never die, and prevent new GC from arriving in volumes they control. If we might become grabby, our date is a sample GC
origin date. A selection effect explains why we don’t see them when they control ~40% of universe now. Each parameter in a 3 parameter model can be estimated to within an order of magnitude, allowing narrow estimates of GC spacing, appearance, and duration till see or meet them.

Zoom Transcription: https://otter.ai/u/9614OoNiR2jG_ISC1P...

More about Grabby Aliens: https://grabbyaliens.com/

More about Robin: https://mason.gmu.edu/~rhanson/bio.html

Find a written summary of this talk here (including slides, notes and more):
https://foresight.org/salon/robin-han...

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