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How to Teach Quantum Physics to Your Dog, by Chad Orzel
PDF Download How to Teach Quantum Physics to Your Dog, by Chad Orzel
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When physics professor Chad Orzel went to the pound to adopt a dog, he never imagined Emmy. She wasn’t just a friendly mutt who needed a home. Soon she was trying to use the strange ideas of quantum mechanics for the really important things in her life: chasing critters, getting treats, and going for walks. She peppered Chad with questions: Could she use quantum tunneling to get through the neighbor’s fence and chase bunnies? What about quantum teleportation to catch squirrels before they climb out of reach? Where are all the universes in which Chad drops steak on the floor?
With great humor and clarity, Chad Orzel explains to Emmy, and to human readers, just what quantum mechanics is and how it works—and why, although you can’t use it to catch squirrels or eat steak, it’s still bizarre, amazing, and important to every dog and human.
- Sales Rank: #68520 in Books
- Published on: 2010-12-07
- Released on: 2010-12-07
- Original language: English
- Number of items: 1
- Dimensions: 8.44" h x .70" w x 5.50" l, .48 pounds
- Binding: Paperback
- 256 pages
From Publishers Weekly
What do dog treats and chasing squirrels have to do with quantum mechanics? Much more than you might imagine, as Orzel explains in this fun introduction to modern physics based on a series of conversations with his dog Emmy. Dogs make the perfect sounding board for physics talk, because they approach the world with fewer preconceptions than humans, and always expect the unexpected. Physicist Orzel begins with the basics, explaining how light can be both particle and wave simultaneously—a bit like a dog that can split itself into two to chase a rabbit no matter which direction it runs. A look at Heisenberg's uncertainty principle begins with a hunt for a hypothetical bone. Schrödinger's cat becomes, of course, Schrödinger's dog. Quantum entanglement, quantum teleportation and virtual particles (composed, for example, of bunny-antibunny pairs) are all explained with the author's characteristic lighthearted touch. While Orzel's presentation may be a bit too precious for some, readers who've shied away from popular treatments of physics in the past may find his cheerful discussion a real treat. (Dec.)
Copyright © Reed Business Information, a division of Reed Elsevier Inc. All rights reserved.
From Booklist
Particle physicist Orzel has a smart and energetic German shepherd-mix, Emmy, who’s interested in what he does for a living that keeps her in treats and kibble. So she asks him about it, and he tells her, with plenty of chaseable bunnies and squirrels illustratively standing-in for photons, electrons, and other particles. He cheerfully and uncommonly clearly explains particle-wave duality; Heisenberg’s uncertainty principle (and the popular-media misuse of it); photon superposition and polarization; wave-function collapse and Bohr’s strict discrimination between quantum and classical physics; the many-worlds view of quantum mechanics that defies wave-function collapse; the quantum Zeno effect; quantum tunneling (right through “solid” barriers); entanglement and how it enables teleportation (at the quantum scale, that is); virtual particles and quantum electrodynamics; and the fraudulence of quantum-mechanics-exploiting “free energy” and healing schemes. Emmy’s attempts to apply her new knowledge practically (to catch squirrels and bunnies) keeps the conversation moving. It’s hard to imagine a better way for the mathematically and scientifically challenged, in particular, to grasp basic quantum physics. --Ray Olson
Review
“[D]on't let Orzel's laid back nature or clever sense of humor fool you—he is explaining some pretty serious stuff. A level-headed and confident guide, he takes Emmy (and the reader) through everything from wave-particle duality and superpositions to quantum tunneling and the so-called "many worlds" interpretation ("many worlds, many treats").” –NewScientist.com
Most helpful customer reviews
147 of 148 people found the following review helpful.
Excellent conceptual introduction to quantum mechanics, with history and humor.
By Two kids mom
First let me say that I have a degree in physics and in education. I may not be the typical reader but I think I can provide a reasonable review of this book.
The book is a very clear and well delineated explanation of the basics of quantum mechanics. Orzel provides the relevant background needed to understand each section along with a historical outline of how the physics developed. His teaching is lucid and straightforward (think Carl Sagan or Isaac Asimov). The examples and questions are provided outlined in a tongue in cheek manner as discussions with his dog. I am somewhat torn about the verbiage relating to his dog, it is sometimes funny, but can also be distracting. I think in the classroom the humor would come across more consistently. It does add a level of absurdity to the book, and if quantum mechanics is anything, it is sometimes quite absurd to those of us living our daily lives in a classical world.
I also laughed out loud many times while reading the chapter on debunking the snake oil salesmen who try to use various garbled versions of quantum mechanics to explain how their gizmos can provide "free energy" or "improve your health". I have had a lot of conversations with people about these contraptions (and those Amish space heaters advertized in the paper all the time, but that is another issue).
The historical perspective in each section is excellent, specifically the development of wave/particle duality and the Copenhagen interpretation. Orzel's presentation of the manner in which theories are developed and tested is superb. For students this is may be eye opening, many of them seem to believe that science develops in a linear and straightforward manner and the examples presented by Orzel show the more convoluted path often taken.
I took a class from Murray Gell-Mann a few years ago (well more than a few years) and we read "The Quark and the Jaguar" as part of our class assignment. After reading the Gell-Manns book and taking his class I felt like I knew a lot more about quantum mechanics, but I had to break up each section and really chew on it to reach that understanding. Mind you, I took quantum mechanics in college, I could do the math, but I had little true understanding of the underlying principles. "How to Teach Physics to your Dog" is a lot less mental work (and substantially less math) and yields an overall understanding of the concepts of quantum mechanics. In a way this book reminds me of Hewitt's Conceptual Physics textbook, the ideas are the most important and the minimal math plays a secondary and supporting role.
This book is appropriate for
* Physics students (after taking classical mechanics) from about high school AP level.
* To read BEFORE you take quantum mechanics at the college level. This book is not going to help you with the differential equations, Fourier transformations and other math, but at least you might know why you are doing them.
* Those with at least some background (or a great deal of interest) in science who wish to grasp the concepts of quantum mechanics. If you have absolutely no science at all you may struggle with some of the vocabulary.
Overall a very enjoyable read, laugh out loud funny at times and a clear and well organized introduction to quantum mechanics for those with interest in science. Highly recommend.
46 of 47 people found the following review helpful.
Quantum Mechanics for the Lay Person - excellent job with a few minor quibbles
By Joel Avrunin
Writing a book about physics for laymen can always be a difficult task. I have read more than I can count. Books can either be too technical and unapproachable to be of interest to the lay person, or they can be so silly and irrelevant that not enough meaty information is contained within. As a background on myself, I am an engineer by training, and as a wise man on Magrathea once said, "I am a great fan of science."
The book itself is geared towards somebody with a decent knowledge of physics and math, but not necessarily quantum mechanics. I would say high-school level should be fine, but then again, with what passes for high school education, it's possible that it could be beyond some people (some may have issue with words like exponential). The reader should note that the book is really "How to Teach Quantum Mechanics To Your Dog" as Physics in general is not covered (and it even avoids relativity). This is not a negative, but just an FYI.
Overall, excellent book---I probably picked up something new in every chapter. Some of the science was familiar, though I was not aware of all the players and fun stories involved. For the science I knew, I appreciated having a good way to explain it to friends and family. As the book progressed, I discovered new things about quantum mechanics which I did not know.
You'll learn about how the most often referenced piece of quantum mechanics (Heisenberg Uncertainty Principle) is also the most misunderstood. You'll also learn not only about Schrodinger's Cat, but also his many women (who knew physicists were like that?). The book builds on basic quantum mechanics to discuss some of the more interesting theories---for instance, the many-worlds theory to explain how things like superposition actually work (while Orzel doesn't mention it, the many-worlds theory also helps solve some mathematical difficulties in both cosmology and evolution). However, no matter what the philosophy you choose to apply to why certain things happen, it does not change the equations, which is the point of the book. He also discusses quantum zeno (how to stop a quantum state jump by observing it), quantum tunneling, quantum entanglement, quantum teleportation, quantum electrodynamics, and some misuses of quantum physics (like quantum healing). In short, anything quantum you want to know about is likely summarized in this little tome.
Throughout the book, the dialogue is presented as a talk between the scientist and his dog. At times it got a little tedious, but more often than not, it broke up the scientific jargon with conversation, and occasionally the analogies to a dog finding a bunny in the backyard actually seemed to work (or treats in a bag). I also dug the occasional obligatory Star Trek reference... of course quantum states existing in many worlds would include the evil worlds where the quantum particles all have goatees.....
I will knock off 1 star for this----I don't feel the book did enough to explain how quantum mechanics is used in our everyday lives. Quantum tunneling microscopes are cool, but who knows what they are? A few pages on lasers or tunnel diodes might have been nice. There were brief discussions of quantum cryptography and computing, but I thought these could have been expanded. In addition, quantum electrodynamics started to get a little too technical and deep for an average reader (but it was the last technical chapter, so I think it was well placed).
To learn more, I would recommend some of the excellent books by Simon Singh who has an equally approachable way with explaining complex science. Chad Orzel brushes the edge of relativity, but specifically says he is avoiding it for the purposes of his book. To read some excellent explanations of relativity and cosmology in a similar voice, you might augment this book with "The Big Bang" by Singh.
Overall, I give the book 4 stars---it is an excellent effort, and I definitely learned quite a bit from reading it. While I did get it through the Vine program, this is the kind of book I would definitely recommend purchasing yourself. I removed 1 star because I really did want some more practical applications (and I did feel that the voice sometimes drifted too technical for the average reader), but it is a quality piece of work and will have a place on my shelf by Stephen Hawking and others.
0 of 0 people found the following review helpful.
Fun book thanks
By carol harbison
My greyhound shows much more interest in her world now. That she understands. Fun book thanks.
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