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  Is our Universe Simulatable?  (Read 4965 times)
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Offline ags1

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Make code not war!


« Reply #120 - Posted 2014-05-13 07:34:04 »

All scientific theories are "just models"... Leaving theory aside, there is plenty of experimental data showing the quantum behavior of atoms, molecules and smaller particles. Even when QM is disproved, future theory (and other models like simulations) will still need to be consistent with all the experimental evidence showing quantum behavior.

Offline ctomni231

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« Reply #121 - Posted 2014-05-13 11:03:34 »

Honestly, as much as I love quantum physics, it truly is amazing how systems that are random and out of place find ways to mimic structure overtime. The fact is that when everything created has this nature, it is incredibly difficult to grasp it. Honestly, this whole thread is just theoretical.

We could in fact be living in a simulation. We could figure out that our conscious can be quantified and we are not special. There is just no way of knowing this due to our current Newtonian system covering only a subset of the way things work. We just don't have a real basis... And regardless of what we say, the fact is that even if we could, it is not something we would be able to comprehend.

Offline Roquen
« Reply #122 - Posted 2014-05-13 13:30:37 »

@ags1: I'm not saying otherwise.  Regardless of the future predictive power of QM that does not imply that the universe works in a quantum mechanical way.
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Offline Oskuro

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« Reply #123 - Posted 2014-05-15 13:53:18 »

Some SMBC musings on the topic:


And I'm not pasting the next one because it's huge, but... Funny too, dear subroutines.

 Grin

Online Drenius
« Reply #124 - Posted 2014-05-15 18:49:02 »

The second one actually shows an important concept.
If we -ignoring all the problems of computation, space, definitions themselves- can "simulate" our universe this would also include the simulator itself.
Best problem explanation for this forum is probably a StackOverflowException.
Offline matheus23

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« Reply #125 - Posted 2014-05-16 14:19:51 »

The second one actually shows an important concept.
If we -ignoring all the problems of computation, space, definitions themselves- can "simulate" our universe this would also include the simulator itself.
Best problem explanation for this forum is probably a StackOverflowException.

This came up already, actually:

Logically, you can't simulate the universe.
If you managed to make a simulator, then the universe would be different - it'd have the simulator in it. You'd have to simulate the universe with the simulator in it simulating the universe which had in it the simulator simulating the simulator simulating the universe... and so on ad infinitum...

See my:
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Online Drenius
« Reply #126 - Posted 2014-05-17 00:18:38 »

Thanks, was honestly too lazy to read the whole thread again.
Offline Roquen
« Reply #127 - Posted 2014-07-02 09:50:59 »

http://on-demand.gputechconf.com/gtc/2014/presentations/S4347-conquering-titan-supercomputer-milky-way-simulation.pdf

(EDIT: Note the bit about space filling curves)
Offline matheus23

JGO Kernel


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« Reply #128 - Posted 2014-07-20 21:09:59 »

Related videos from veritasium:
https://www.youtube.com/watch?v=zUDqI9PJpc8
https://www.youtube.com/watch?v=sMb00lz-IfE

Can somebody with a scientific background verify the correctness of the information in that video?

See my:
    My development Blog:     | Or look at my RPG | Or simply my coding
http://matheusdev.tumblr.comRuins of Revenge  |      On Github
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