# Re: Bekenstein bound (Re: A model of consciousness)

From: Mike Dougherty (msd001@gmail.com)
Date: Wed Mar 19 2008 - 20:15:57 MDT

On Wed, Mar 19, 2008 at 4:10 PM, Matt Mahoney <matmahoney@yahoo.com> wrote:
> The model assumes that the set of states is isomorphic to N. Any real
> implementation with finite memory must have finite subjective experience. All
> implementations must have finite memory because the universe has a Bekenstein
> bound of about 10^122 bits.

I looked up Bekenstein bound on wikipedia (it's a start)

"S=A/4 where A is the two-dimensional area of the black hole's event
horizon in units of the Planck area, \hbar G/c^3."

Can someone explain how a two dimensional area is used to measure the
amount of information that can be stored in a 3 (or more) dimensional
universe? (Or if this is too basic a question, simply email me
off-list with some educational URLs)

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