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The universe may grow like a giant brain, according to a new computer simulation.
The results, published Nov.16 in the journal Nature's Scientific Reports, suggest that some undiscovered, fundamental laws may govern the growth of systems large and small, from the electrical firing between brain cells and growth of social networks to the expansion of galaxies.
The eerie similarity between networks large and small is unlikely to be a coincidence, Krioukov said.
"For a physicist it's an immediate signal that there is some missing understanding of how nature works," Krioukov said.
originally posted by: neoholographic
If we're alive then the universe is alive
[b[Hard Evidence for the Multiverse Found, but String Theory Limits the Space Brain Threat
The new research also lends credence to the idea of a multiverse. This theory posits that, when the universe grew exponentially in the first tiny fraction of a second after the Big Bang, some parts of space-time expanded more quickly than others. This could have created "bubbles" of space-time that then developed into other universes. The known universe has its own laws of physics, while other universes could have different laws, according to the multiverse concept.
Max Tegmark Dept. of Physics, Univ. of Pennsylvania, Philadelphia, PA 19104; email@example.com (January 23 2003.)
Abstract: I survey physics theories involving parallel universes, which form a natural four-level hierarchy of multiverses allowing progressively greater diversity. Level I: A generic prediction of inﬂation is an inﬁnite ergodic universe, which contains Hubble volumes realizing all initial conditions — including an identical copy of you about 1010 29 m away. Level II: In chaotic inﬂation, other thermalized regions may have diﬀerent physical constants, dimensionality and particle content. Level III: In unitary quantum mechanics, other branches of the wave function add nothing qualitatively new, which is ironic given that this level has historically been the most controversial. Level IV: Other mathematical structures give diﬀerent fundamental equations of physics. The key question is not whether parallel universes exist (Level I is the uncontroversial cosmological concordance model), but how many levels there are. I discuss how multiverse models can be falsiﬁed and argue that there is a severe “measure problem” that must be solved to make testable predictions at levels II-IV.