On 12/19/2012 11:34 AM, Roger Clough wrote:
If information is stored in quantum form,
I can't see why the number of particles
in the universe can be a limiting fsactor.
Also there are ways of storing information
holographically, so size gets a bit ambiguous.
Dear Roger,

You ask an interesting question, but there is no good theory to answer it exactly, AFAIK. I used a function of the particle number as a generic estimate of the quantity of bits involved, but we would have to look at the available states with a field theory of a correct quantum gravity theory, which we don't have yet. Since it appears from the latest observational evidence from ultra-high energy gamma ray arrival times that space-time is not granular, the number of possible information in our physical universe is freaking huge. Penrose estimates it to be 10^124.



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