Cosmology Intelligent Design Multiverse Physics

At Mind Matters News: Astrophysicists lock horns over whether multiverse must exist

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Ethan Siegel says it follows naturally from inflation; Adam Frank says inflation is not that robust a theory:

Frank: To summarize, I would argue that inflation has some attractive features, but it simply does not stand as the kind of scientific edifice (in terms of having many, many points of contact with observation) that should force us to accept the Multiverse.

Siegel: In other words, yes, inflation gives you some wiggle room in many ways, but you cannot wiggle out of the Multiverse. The only way out, as Adam says, is to postulate a Rumsfeldian “unknown unknown” to save you. And while that is always possible in any endeavor, I think it is far preferable to draw your best conclusions based on what is known to the limits of our best knowledge at the time. To retort with a quote from the late “Macho Man” Randy Savage, “You may not like it, but accept it.”

News, “Astrophysicists lock horns over whether multiverse must exist” at Mind Matters News

Takehome: Inflation is only one factor; other sources weigh in on issues around math, testability, reality-based thinking, and, inevitably, what God would do.

Must we “accept it”? Here are some other approaches:

Robert J. Marks: Is The Big Bang Theory’s nerd right about the multiverse? Sheldon Cooper insists that in no universe would he dance with Penny. Given countless universes, are there truly none in which Sheldon Cooper dances? Maybe. Math shows why there cannot be an infinite number of universes.

Eric Holloway: Here is a way we can be sure if we are living in a multiverse. An experiment can test the idea that there is an infinite number of universes. For our experiment, we need a quantum coin flipper, a disintegration gun, and observers who are sure that there is an infinite array of universes out there.

Michael Egnor: We don’t live in a multiverse because the concept makes no sense. Neurologist Steven Novella and philosopher Philip Goff, both atheists, agree that there are many universes besides the one we live in. Atheists use the multiverse concept to counter the fact that our universe appears fine-tuned to allow life like ours. But is it a valid concept?

and

Multiverse cosmology is not a good argument against God. Or against fine tuning of our universe. God could have created countless universes on various principles for a variety of reasons. The key argument against the multiverse is that there is no evidence for it; it takes us outside the realm of observable science — a choice with consequences.

3 Replies to “At Mind Matters News: Astrophysicists lock horns over whether multiverse must exist

  1. 1
    polistra says:

    Pinheads arguing about the angel count.

  2. 2
    Silver Asiatic says:

    Michael Egnor: We don’t live in a multiverse because the concept makes no sense.

    That should have ended the argument, but they’ll keep pretending they have something important to say. It’s embarrassing and pathetic to see academics destroy their own integrity like that. They must have very low self-esteem and just want to wallow in ignorance and confusion.

  3. 3
    EvilSnack says:

    The multiverse is the cause of the gravitational anomalies that we currently attribute to dark matter and dark energy. That extra gravity that makes galaxies spin differently from how they should is the gravity form other universes seeping into our own.

    I admit that I have no data to back up this idea. It was just something I thought of while lying awake in bed.

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