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If the machine running the simulation uses discrete mathematics, there will be unavoidable artifacts as waves propagate through the discrete lattice.
These artifacts are not observed. I.e. there are not preferential directions in the universe. Waves propagate in the same way in all directions. E.g. there is no direction-based attenuation, which is an unavoidable artifact of a body made of discrete "lobes" - like atoms in a crystal.
Just to preempt any mention of the Planck Length: that number is a trick of mathematics and has nothing to do with physics, as such.
Summary: if the universe is a simulation, the graphics are fucking crisp!
Interestingly, by information theory, if the universe is a simulation, then the device running said simulation has at bare minimum as many particles as the universe it simulates.
If you're going to build anything in this universe which simulates another universe, that simulated universe will likely be many orders of magnitude smaller in scale than the universe in which you exist.
Summary: simulations are smaller and smaller as you nest more simulators inside simulations.
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Does the "feeling" being preceded by other chemical processes in a brain mean that the feeling is wrong?
I'm not sitting here questioning if I should have chosen different weather for today. My brain is not simply asserting the feeling that I've made a choice over arbitrary things in my life.
Does it fit the observed data to posit that a brain makes a decision, and only after said decision is made takes the luxury of "feeling" like it made a decision?
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