X-Message-Number: 18449
Date: Thu, 31 Jan 2002 22:24:39 +0000
Subject: Re: CryoNet #1843 simulation
References: <>

Yvan said:

> Message #18447
> From:
> Date: Thu, 31 Jan 2002 04:16:51 EST
> Subject: Re: CryoNet #1843 simulation
>
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. . .

> Time (and space) are quantized. The unit is the so called Planck's
> time, it
> is the time taken by light to travel one unit of Planck's length, that
> is
> something as: 1.6 x 10^-33 cm (near 10^-33 inch). This unit is defined
> as the
> square root of hG/c^3
> Where: h is the reduced Planck's constant, G the Newton's constant of
> gravitation and c the velocity of ligth in space. The planck's time is
> near
> 10^-43 second, so you can think of the world as a motion picture with
> 10^43
> pictures per second.
>
> To simulate the Universe (ten billion light years in radius for ten
> billion
> years) you need 10^244 Planck's cubes ( One Planck's unit for each
> dimension
> in space and time). This could be run by a quantum computer with a 813
> bits
> word in a single computation cycle, something as a billionth of a
> second.
> This illustrates the potential power of quantum computers and the
> effect of
> state superposition in quantum mechanics.
>
> Well, a classical question at that level is: How a computer in our
> universe
> can simulate that universe? The answer is that our universe (and the
> simulated one) are Four dimensional *and* monolinear. The computing
> space
> inside the computer is two dimensional *and* 813 times multilinear.
>
> If there was some quantum computers in the simulated universe, each
> 813 multi-linearities to the computational space, not a problem as the
> multi-linearity may expands up to the infinite.

Does this still hold true if time/space has much more than four
dimensions (super strings etc)?

> Yvan Bozzonetti.

Phil.

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