[extropy-chat] [COSMO-ASTRO] Weighing the Universe

Eugen Leitl eugen at leitl.org
Thu Apr 28 23:41:36 UTC 2005

On Mon, Apr 25, 2005 at 07:10:24PM -0400, Dan Clemmensen wrote:

> I know this was intended to be funny, but it is not true as stated. A 
> simulation is a collection of information. Information (by definition, I 
> think) requires that the information storage system is not in 

This assumes the simulation metaverse is identical with this universe. For
multiple reasons, it is unlikely that the metaverse physics is similiar to
this universe's physics. 

> thermodynamic equilibrium, sot he storage system contains energy. but 
> energy is mass. True, the information-mass of a simulation is incredibly 
> tiny by comparison with the "real" mass of a "real" universe, but it is 
> not zero.
> For reference, Google "beckenstein bound" as a place to start. Although 
> the Beckenstein bound relates to spatial information density, it should 
> lead to results on information energy density also.

Eugen* Leitl <a href="http://leitl.org">leitl</a>
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