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Stephen Hawking vs God

It seems that famous physicist Stephen Hawking is continuing his streak of saying something dramatic or controversial every 6 months or so

You remember he said earlier this year that we should avoid alien contact at all costs so they don’t wipe us out or when he said mankind needs to colonize space or face extinction

Apparently he has now said that God doesn’t exist.

For example, at Examiner.com there’s an article —-”Stephen Hawking book denies God ”

The usually lame Huffington Post got at least one article title correct recently when they wrote:
“Hawking’s Controversial Comments Skyrocket Sales”

So what did Hawking really say and was there any interesting science to be gleaned from all this?

The quotes in question come from Hawking and Caltech physics professor Leonard Mlodinow’s new book called The Grand Design which was recently published. Why did they put the word “design” in the title? I’m just sayin….

Anywho….the crux of the book lies in the discussion of the long-sought-after fusion of quantum mechanics and general relativity to produce a theory of everything. These two disciplines are among the most important, consequential, and successfully tested of all time yet they speak different languages and don’t mesh well. The two authors focus on M-theory in the book which is pretty much an extension of string theory (perhaps I should say string hypothesis).

One of M-theory’s many predictions is that there’s not just one universe but many universes all created out of nothing. Regarding this, Hawking writes:

“their creation does not require the intervention of some supernatural being or god. Rather, these multiple universes arise naturally from physical law. They are a prediction of science.”

elsewhere he writes:

“It is not necessary to invoke God to light the blue touch paper and set the Universe going,”

So that’s it. He’s not denying the existence of god, he’s just saying that the laws of physics don’t need a supernatural agency even to pull off something as amazing as the creation of a multitude of universes from nothing.

For me there’s not much new here. Scientists have thought along these lines for a while now. So why all the press?

There’s a few reasons. When Hawking wrote his A Brief History of Time, 20 odd years ago, he ended with a quote that more people probably remember than any other from the book.

He wrote that if we ever did create a unified theory of physics  it would be “the ultimate triumph of human reason — for then we should know the mind of God.”

So it’s kind of an interesting dichotomy that now he’s saying that a unified theory wouldn’t necessarily shed any light on god’s thoughts.

The more obvious reason for all this press is just a very effective PR machine. Pitting science against religion is always great for tons of free publicity, non-overlapping magesteria notwithstanding.

One of the interesting takeaways from this scientifically is the reason why we think something like a universe can come from nothing or at least one of the types of nothing.

Regarding this Hawking writes:

“Because there is a law such as gravity, the Universe can and will create itself from nothing. Spontaneous creation is the reason there is something rather than nothing, why the Universe exists, why we exist”

I’ve come across a lot of confusion about this statement. For example, one commenter, Xaero  on physorg.com said:

“If physicist like Hawking considers such brutal violations of causality, then God is the least problem in further explanations. Every other explanation is possible, after then…

An un-named commenter wrote:

“I find it interesting that Stephen Hawking would invoke the law of gravity to explain the origin of the universe. I would have thought that something that is part of the universe, which all natural laws are, could not be used to explain the origin of said universe.”

First off- there are no brutal violations of causality going on here. Still, there’s no escaping the fact that at the quantum level, events are random and a-causal. In this context I’m referring to quantum fluctuations or the creation of particle/anti-particle pairs from nothing that destroy each other before they can be detected. It’s these types of fluctuations that could have arguably created the universe.

When Hawking brings in the concept of gravity as an explanation, my take on that is the idea that the total net energy of the universe is zero. It sounds counterintuitive, right? There’s tons of energy in the universe, hellooooo McFly.
The fact is, If the universe is flat then it makes perfect mathmatical sense that the positive energy of matter is exactly balanced by the so-called negative energy of gravity. It has been said that, in this context, the universe is the ultimate free lunch. There’s really little dispute about that among the Stephen Hawkings and Lawrence Krausses of the world.

Not bad company to keep I would say.

flat. flat.000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000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