Doug Bruns

Posts Tagged ‘Uncertainty Principal’

Of this we can be uncertain.

In Curiosity, Life, Philosophy, Science, The infinity of ideas, Thinkers on January 9, 2013 at 6:00 am

“House” member, kvnpete, put a question to me that, I think, everyone might appreciate. The question, a good one, a big one, warrants a larger canvas than just a “comment.”

Here’s what kvnpete asked (I took the liberty to link a few references mentioned, should one wish to pursue further):

“You mention things like the Geodetic Effect and I am wondering if you ever read anything by Roger Penrose? Besides being in the same class as a Stephen Hawking, his most recent book, The Road to Reality, is a physics book that I think that is supposed to be really worth a look, more philosophical than pure science. Penrose always holds some interesting views on the inflationary universe and the human consciousness that may sometimes be unpopular and unproven but there maybe is something there. I haven’t seen The Road to Reality myself; I understand it is more of a project than anything else, but one worth undertaking. Don’t get me wrong, I don’t know the first thing about quantum mechanics except that is two words and not one and I’m not suggesting Penrose is writer that compares to the authors you often mention; but that is apples and oranges. Also quantum mechanics just doesn’t seem to be the most practical topic and maybe more of a religion in the way that it is only discussed by others in the congregation who read the relevant books; but do you think it holds anything that is more than just math equations and physics, and if it does, what is it’s place in all of this? Thanks”

Thanks for the question, kvnpete. Damn, we are a smart and good-looking bunch, aren’t we? The reviewer at The Guardian wrote of Penrose’s bookFile:The_Road_to_Reality (2006), The Road to Reality: “…if you are at all interested in different sizes of infinity, or different dimensions, or quantum particles, the thermodynamic legacy of the Big Bang, then here is chapter and verse, at least until matters are sorted out by a grand unified theory once and for all. You can skate over the equations and let the more comprehensible assertions, or the more stimulating questions, lodge themselves in your mind and assume the character of poetry.” So let’s set Penrose (a Platonist, Penrose has written, “I imagine that whenever the mind perceives a mathematical idea it makes contact with Plato’s world of mathematical concepts.”) and his soon-to-be-procured book aside and get to the meat of the matter, the only mouthful I can attempt to chew–and that is kvnpete’s question, “quantum mechanics…what is its place in all of this?” Great question!

By “all of this” I suspect you’re referring to the big stuff, the universe and our place in it, the meaning and implication of that, and so on. Here’s the little bit I know and what I deem to be the import of that information.

Einstein originally built a fudge-factor into his Theory of Special Relativity. His calculations indicated that the universe was expanding–this was pre-“Big Bang” theory–and he couldn’t accept the fact that the universe was not constant and secure. Later it was demonstrated that, indeed, his initial calculations were correct, that the universe was on the move. In the timeline of things, this was the beginning of the new physics (quantum) and the diminution of the old physics. Like Copernicus, Galileo, and Newton before him, Einstein thought the universe was eternal and unchanging. From the philosophical side of things, Bertrand Russell summed it up: “I should say that the universe is just there, and that is all.” But change was afoot. Feeling the ground shifting under his feet, Einstein famously quipped, “God does not play dice with the universe.”

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The Uncertainty Principal

Personally, the question settled on me heaviest when I happened upon Heisenberg‘s Uncertainty Principal. I was not alone in this and committed, like so many other lay people, all sorts of intellectual sins as a result of my limited understanding. In summary, Heisenberg (1901-1976) discovered that you cannot simultaneously know the location and the speed of a sub-atomic particle. The big hook here was the notion that observation changes the outcome. You can observe the speed of the particle, but that changes its location. You can observe the location of a particle, but that changes its speed. This is of course, sub-atomic stuff we’re talking about, but to the casual, philosophically-inclined, thinker, this was a very big deal. Imagine: the fashion in which we interact with the world, changes the reality of it. At least that was the simplistic conclusion I came to–I said I commented sins. (Oh, forgive me father, for I have made unwarranted philosophical leaps.)

To continue our journey down the history of an idea: The general sense of things is/was that the old guard was losing the battle to explain the universe, and by implication, our place in it. The new quantum guard was painting a picture of chaos and change at every physical level. Philosophically the foundation was being laid that the quest to find meaning in the universe was, at best, absurd.

“…to hope in the possibility of help, not to speak of help by virtue of the absurd, that for God all things are possible – no, that he will not do. And as for seeking help from any other – no, that he will not do for all the world…” ~ Kierkegaard

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Kierkegaard, patron saint of the absurd.

As I’ve said before, I subscribe to Camus‘s notion that one is responsible for creating meaning in existence–it will not come from outside, not from the universe, not from a super-natural being, or a cosmic vibe. (The only cosmic vibe is the repeated echo of the Big Bang. Back in the days of analogue TV, you could tune your television to that fuzzy spot between channels and listen to the resounding pulsing static of the Big Bang.) This position, the place of the absurd, was not conceivable before the modern physicists showed up. It was hinted at–God is Dead, said Nietzsche–but did not carry the weight of physical reality until the math was done.

There is much to be made of all this, and many have gone there to do so–are still going there, even as our understanding of the physical world continues to change.

I find great freedom and energy as a result of this (post-modern) position. (A recent Times Magazine article included this sentence: “[the] atheist is free to concentrate on the fate of this world.”) Freethinkers everywhere have a legitimate claim, even a responsibility, to make of existence what they can. It will not come from a church, a god, a cosmos, “an other.” We must pray at the altar of the absurd and practice the religion of chaos. We are alone, but for the effort to be otherwise. And it is the effort that counts.

And that, dear kvnpete, is what I make of quantum physic’s place in all of this.” Thanks for the outstanding question.

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So sorry to have carried on like this. If you stayed the course, thank you. If you bailed, I understand. Perhaps next time we can simply talk about dogs and walks in the woods.

Thanks for reading,

D