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On 2016-05-19 07:24, Rafal Smigrodzki wrote:<br>
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<div>### Are you mentioning there the Shiva-explanation for
the empty skies? I mean the possibility that the physics
of our part of the multiverse is such that technogenesis
leads early-on and with a significant probability to the
discovery of a simple method to trigger a false vacuum
decay, thus erasing the civilization and its universe,
along with any civilizations that managed not to become
the destroyers of worlds</div>
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Remember the Bostrom and Tegmark paper on doomsday probability? It
shows, using anthropics, that the probability of vacuum decay is
less than one in a billion per year. If we had been living in a
Shiva unniverse we should expect to be very early (since observers
exist before the vacuum decay), but Earth formed after most other
planets in the universe formed and we look like we are fairly late
compared to when intelligence could have emerged. <br>
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<div>The observable world seems to be consistent with such
an explanation. The probabilities surrounding the Shiva
explanation are the opposite of the black-box explanation
- it takes only one in any number of budding civilizations
to trigger a superluminal erasure of a universe, before
any of the million civs ever get to see light from their
neighbors.</div>
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Superluminal? I though all vacuum decay models had it spreading
merely at lightspeed?<br>
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