Monday, September 01, 2008

Arrow of Time

I've been thinking about the arrow of time, and thermodynamics.

I continue to be uncomfortable with logical positivism, the Copenhagen Doctrine, etc. I still believe that there is a physical reality, even absent the observer.

What if we were actually perceiving multiple universes, multiple histories? As in the many-worlds hypothesis, where reality is constantly forking at every decision point.

"Forking" tends to imply a direction, the arrow of time, and exponential growth.

But what if universes converge as well as diverge? Or, rather, sans the arrow of time, there are multiple states that can be reached by a small change from any given state. If certain of states are considered to be earlier in time, they may be said to converge; if certain are considered to be later in time, they diverge.

What if consciousness, the observer of reality, is actually perceiving many such neighbouring states, averaging them, if you will. Then this averaginging would reflect the most probable neighbouring states. Which is essentially a thermodynamic statement of the arrow of time.

I.e. an observer may be considered to be at a point in this non-arrow-of-time dimensional space. From this point, the observer looks around, and perceives a neighbourhood. of neighbouring states. But normally the observer averages the neighbourhood - and this averaging sucks the observer and observations along in a valley finding, seek the highest probability, manner.

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