Question: Is there a scientific answer for the response of 'do parallel world's exist?' I mean, there is logic in the theory that every move you take or every thought that is put to physical use makes another parallel universe.

Asked by tardisingrid to Heather, James, Mark, Matthew, Simon on 26 Aug 2012. This question was also asked by davidg, tegan.

0

Keywords: , , ,

  1. Photo: Matthew DavisMatthew Davis
    answered on 26 Aug 2012:

    There is logic to it – but as far as I know there is absolutely no way to prove it. What you are talking about is the “many worlds” interpretation of quantum mechanics – that every time a system has to choose between one option or another – that the universe splits and each possibility is realised. It is philosophically appealing due to the symmetry involved…. but the mind-boggling number of universes splitting off every nanosecond makes it a bit hard to swallow for most physicists I think.

    0

  2. Photo: Mark HamannMark Hamann
    answered on 1 Sep 2012:

    not that I know of…

    0

  3. Photo: James SmithJames Smith
    answered on 2 Sep 2012:

    Seems like a bit of a stretch to me – as Matthew pointed out. And how would we detect or measure them if they did exist? 🙁

    0

  4. Photo: Simon O'TooleSimon O'Toole
    answered on 3 Sep 2012:

    There are people who think that there are multiple universes, and several of the theories that combine quantum theory and gravity together either allow them or even require them. There is no evidence for parallel worlds or multiple universes however, and as a couple of the others have suggested, it is difficult to see how one could test for it. Because of this most physicists and astronomers don’t really believe that they exist.

    Put simply, if you can’t test a hypothesis (like parallel worlds) then it’s not science.

    0

Comments