A while back I did a post about my three favorite non-fiction authors: David Deustch, Roger Penrose, and Douglas Hofstadter (Gesundheit!). This post is about Roger Penrose.
Roger Penrose has an interesting categorization system for scientific theories that I’d like to share. (Later on, I’ll give David Deutsch’s alternative approach.) Penrose believes there are three categories of theories. They are:
He goes on to say that say he’s considered making a fourth category called MISGUIDED but then thought better of it because he didn’t want to lose half of his friends.
In this post I want to talk about the seven scientific theories Penrose considers to be in the SUPERB category. These are the theories that, as Penrose puts it, have been phenomenal in their range and accuracy. Continue reading
In this post I’m going to attempt the impossible: I’m going to explain (at a high level) Quantum Physics using math while trying to keep it interesting. I’m basically going to use a dumbed down and somewhat modified example I’ve taken from Roger Penrose’s book called Shadows of the Mind: A Search for the Missing Science of Consciousness.
I believe people willing to persevere through this post will find themselves surprised by the end by the rather starling philosophical implications of quantum physics. I also believe that, if you take it slowly, the math is understandable to any high school graduate. I am personally very bad at math and can only handle this example because the math is so easy. If you don’t assume you can’t understand it, you’ll find that you can.
Forget What You Think You Know
Unless you are a physicist, start by emptying your mind of what you think you know about quantum physics through popular books because there is a substantial gap between what people say about Quantum Physics and the real theory. It seems to me that Quantum Physics currently gets used as the new ‘magic’. It’s become common for the fad magical (or sometimes even religious) worldview of the moment to slap a ‘quantum’ label in there somewhere to add a scientific veneer.  The reason this happens is because quantum physics has a deserved reputation for being really ‘weird’. But keep in mind what ‘weird’ means. It only means “something I’m not familiar with.” Claiming something is ‘weird’ says nothing ontological about the object/idea in question and actually serves as a statement about the speaker’s state of ignorance of the subject. (A point I often bring up when we talk about Mormons or other religions being “weird.”) Continue reading
I have wanted to do a series of posts discussing various topics I find interesting. I love trying to find the cross section between science, religion, and philosophy. Sometimes I have to look really hard to find such a cross section. At any given moment, any two of these areas of knowledge are likely going in such opposite directions that there is no hope of them ever meeting without a major paradigm shift. But I find it fun to try all the same.
I once did a series of posts for Wheat and Tares (M* got pointers to the posts) on epistemology. Epistemology is a fancy word for “theory of knowledge” or, in other words, it’s a word for a theory on how we gain knowledge.
Karl Popper’s theory of epistemology is in the forefront of all other theories of knowledge because his theory is superior to all contenders. However, Popper’s own presentation had some flaws that I felt Thomas Kuhn filled in nicely. (Though Kuhn’s conclusions that there is no such thing as scientific realism seem patently false to me.) My posts made an attempt to integrate some of Kuhn’s better ideas into Popper’s overall framework. In addition, I threw in some of David Deutsch’s improvements on Popper plus some ideas from John Polkinghorne. For those interested, see my summary of this epistemology here. Continue reading