4 ms·

At this point, if we discovered something resembling the current conceptions of parallel universe, we would probably just re-define "universe" to refer to what

At this point, if we discovered something resembling the current conceptions of parallel universe, we would probably just re-define "universe" to refer to what we traditionally think of as a universe. In much the same way that we do not have any problem with talking about sub-atomic particles; even though that is sub-atomic is a concept that does not make any sense. In this case, from the article, it sounds like there is only a very weak interaction. In fact, since it is only "evidence" left behind in background radiation, it is possible that there is no ongoing interaction, but rather some remaining artifact from when the universes did interact.

ccozan 9y ago
For now, we can define the current Univers as a set of universal constants that rule it. Other constants would actually lead to a different universe. Now, if we strech our imagination, let's have an "space" (meta universe ) where universes are just regions where this contants are active, and there is a slow transision from one "unverse" region to the other. Much like arctic reagion vs. tropical. However, this transision is unlike anything, could be a spacetime/quantum level/?? transition. At this moment, this transition is not measurable.
jovial_cavalier 9y ago
>even though that is sub-atomic is a concept that does not make any sense. Can you please explain this? How is sub-atomic nonsensical? It just means "constituent particles of an atom."
- nfg 9y ago
  “Atom: late 15th century: from Old French atome, via Latin from Greek atomos ‘indivisible’, based on a- ‘not’ + temnein ‘to cut’.”
- nanofortnight 9y ago
  That's exactly it. Atom comes from atomos, meaning indivisible; if you take the literal meaning, it has no constituent parts.
  - SirRolin 9y ago
    but thing is we called it that because we thought there was nothing smaller than a atom.. although there is something smaller. atoms are made of protons neutrons and electrons each which is made of 3 quantoms.
    - Kubuxu 9y ago
      Same with universe, we think it encompasses everything but according to our current definition it might now.
      - sgt101 9y ago
        I think it's commonly held that an entities Universe is everything that has or could physically interact with that entity. So, everything that is out of the light cone for you is external to your universe.
    - smrq 9y ago
      And similarly, we called it a universe because nothing observable can be outside it. Unless... The analogy is quite apt, really, just switching out bigness in place of smallness.
    - msla 9y ago
      > atoms are made of protons neutrons and electrons each which is made of 3 quantoms. Electrons are currently thought to be indivisible, and protons and neutrons are made of three quarks each. I've never heard of the word "quantom" before... where does it come from?
  - sgt101 9y ago
    But that's pretty unreasonable as a line of argument; the derivation of a word from a long dead language has no bearing on the semantic in modern discourse. Atoms have been known to be divisible for over 100 years, the consequences of this knowledge are everywhere in our society!
    - 9y ago

ccozan 9y ago

For now, we can define the current Univers as a set of universal constants that rule it. Other constants would actually lead to a different universe. Now, if we strech our imagination, let's have an "space" (meta universe ) where universes are just regions where this contants are active, and there is a slow transision from one "unverse" region to the other. Much like arctic reagion vs. tropical. However, this transision is unlike anything, could be a spacetime/quantum level/?? transition. At this moment, this transition is not measurable.

jovial_cavalier 9y ago

>even though that is sub-atomic is a concept that does not make any sense. Can you please explain this? How is sub-atomic nonsensical? It just means "constituent particles of an atom."

nfg 9y ago
“Atom: late 15th century: from Old French atome, via Latin from Greek atomos ‘indivisible’, based on a- ‘not’ + temnein ‘to cut’.”
nanofortnight 9y ago
That's exactly it. Atom comes from atomos, meaning indivisible; if you take the literal meaning, it has no constituent parts.
- SirRolin 9y ago
  but thing is we called it that because we thought there was nothing smaller than a atom.. although there is something smaller. atoms are made of protons neutrons and electrons each which is made of 3 quantoms.
  - Kubuxu 9y ago
    Same with universe, we think it encompasses everything but according to our current definition it might now.
    - sgt101 9y ago
      I think it's commonly held that an entities Universe is everything that has or could physically interact with that entity. So, everything that is out of the light cone for you is external to your universe.
  - smrq 9y ago
    And similarly, we called it a universe because nothing observable can be outside it. Unless... The analogy is quite apt, really, just switching out bigness in place of smallness.
  - msla 9y ago
    > atoms are made of protons neutrons and electrons each which is made of 3 quantoms. Electrons are currently thought to be indivisible, and protons and neutrons are made of three quarks each. I've never heard of the word "quantom" before... where does it come from?
- sgt101 9y ago
  But that's pretty unreasonable as a line of argument; the derivation of a word from a long dead language has no bearing on the semantic in modern discourse. Atoms have been known to be divisible for over 100 years, the consequences of this knowledge are everywhere in our society!
  - 9y ago