Chasing the edge of the universe?

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The discussion explores the implications of manipulating time, specifically the effects of slowing down or speeding up time beyond the speed of light on particle formation and information density. It questions whether exotic particles would form and annihilate when time is sped up, similar to what occurs when time is slowed down, and if this would lead to a decrease in information density. Additionally, it raises the possibility that traveling faster than the universe's expansion could result in a transformation into "nothingness" and the creation of new particles. The poster expresses a desire for informed insights on these complex cosmological and physical concepts. The inquiry highlights a curiosity about the fundamental nature of time and its relationship with particle physics.
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Since we know that Information gets more and more dense the slower time gets, and that if you were to slow time to less and less units of time, than exotic particles will start forming and annihilating each other completely randomly (known as the Heisenberg's uncertainty principle), than I query, would the same be true if you were to, instead of slowing time down, speed time up, perhaps, past the speed of light, than then, would "exotic" particles form and annihilate each other as well? And if that were so, would the "density of Information" present when you slow things down be also reversed, in that, the faster you go the less information is there? And finally, I'd query, that if you were to go so fast, faster than the expansion of the Universe itself, would you as we know it, be turned into "nothingness" and instead form new particles that would soon annihilate itself?

If I appear as incredibly stupid, I must say I quite am, I'm only mildly educated in regards to cosmology and even less so on physics. To be quite frank, I didn't want to ask these questions to a less "informative" congregation.
 
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That being said, I'm very interested in the answer to my questions and I'd be incredibly thankful if someone with a more educated background on the subject could answer them.
 
https://en.wikipedia.org/wiki/Recombination_(cosmology) Was a matter density right after the decoupling low enough to consider the vacuum as the actual vacuum, and not the medium through which the light propagates with the speed lower than ##({\epsilon_0\mu_0})^{-1/2}##? I'm asking this in context of the calculation of the observable universe radius, where the time integral of the inverse of the scale factor is multiplied by the constant speed of light ##c##.
Why was the Hubble constant assumed to be decreasing and slowing down (decelerating) the expansion rate of the Universe, while at the same time Dark Energy is presumably accelerating the expansion? And to thicken the plot. recent news from NASA indicates that the Hubble constant is now increasing. Can you clarify this enigma? Also., if the Hubble constant eventually decreases, why is there a lower limit to its value?
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