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QED: The Strange Theory of Light and Matter New Ed Edition

4.7 out of 5 stars 96 customer reviews
ISBN-13: 978-0691024172
ISBN-10: 0691024170
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Editorial Reviews


"Physics Nobelist Feynman simply cannot help being original. In this quirky, fascinating book, he explains to laymen the quantum theory of light, a theory to which he made decisive contributions."--The New Yorker

"Feynman's lectures must have been marvelous and they have been turned into an equally entrancing book, a vivid introduction to QED which is leavened and enlivened by his wit. Anyone with a curiosity about physics today should buy it, not only to get to grips with the deepest meaning of quantum theory but to possess a slice of history."--Pedro Waloschek, Nature


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Product Details

  • Series: Princeton Science Library
  • Paperback: 176 pages
  • Publisher: Princeton University Press; New Ed edition (October 1, 1988)
  • Language: English
  • ISBN-10: 0691024170
  • ISBN-13: 978-0691024172
  • Product Dimensions: 8.4 x 5.5 x 0.5 inches
  • Shipping Weight: 2.4 ounces
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (96 customer reviews)
  • Amazon Best Sellers Rank: #129,952 in Books (See Top 100 in Books)

Customer Reviews

Top Customer Reviews

By Michael Wischmeyer on June 23, 2000
Format: Paperback
Enigma - this term best describes QED, the notoriously non-intuitive basis of fundamental physics. But 'enigma" equally applies to this book, QED. Why is it so popular? Four lectures on quantum electrodynamics? Why would anyone, other than a physicist, rave about such a book?
Feynman cautions the audience that they may not understand what he will be saying. Not because of technical difficulty, but because they may be unable to believe it, unable to accept what he is saying. "The theory of quantum electrodynamics describes Nature as absurd from the point of view of common sense. And it fully agrees with experiment. So I hope you can accept Nature as She is - absurd."
I long had this problem. I wanted to understand why, in addition to how nature works. I wanted some philosophical understanding, some underlying meaning. I have come to accept that the fundamental laws (rules, behavior, whatever) of physics are not intuitive, but are incomprehensible in terms of common sense.
To appreciate Feynman's QED lectures, you must have patience, some commitment (its not really difficult), but more than anything else you need a willingness to set aside disbelief and simply listen to a physicist talk about quantum electrodynamics. A willingness to accept that nature refuses to be understood. Analyzed, dissected, mathematically described (in a probabilistic sense), but not fundamentally understood. QED.
I am largely unsatisfied by books for laymen on quantum physics, string theory, cosmology, and the like. My background includes some physics and I find that a bit of mathematics is more helpful than a great many analogies, no matter how cleverly constructed. QED should have been disappointing. But I gave it five stars.
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Format: Paperback
A book on physics that is entertaining? Hard to believe, but during the reading of this book I not only got a grasp on some of the fundamental concepts of Quantum Electro Dynamics, but thoroughly enjoyed the way it was explained. Feynman is a master teacher. He has the ability to take complex concepts and boil them down so that even a physics dummy can understand them. It is obvious when reading the text how complete Feynman's understanding of the material is. You know how you can read a science book and not really get what the author is trying to explain? Sometimes that comes from your own lack of intelligence, but a lot of times it's because the author wasn't totally clear about what he was writing. In this book, you really get the underlying concepts becasue Feynman's understanding of the subject is so complete. I found myself absorbing some of the QED concepts almost by osmosis.
The book is composed of 4 lectures Feynman gave at UCLA in the mid 80's.
QED is about the interaction of light and matter. Feynman starts the explanation of QED by dealing with the partial reflection of light onto 2 surfaces of glass, and uses arrow diagrams to make the explanation easy to understand.
He uses the arrow diagrams in the other lectures which continue the discussion of QED's attempt to explain the interaction of photons with matter. The last lecture deals with subatomic particles and QED's relationship to the rest of physics.
The part of the book I enjoyed most was the 3rd lecture called "Electrons and Their Interactions" which explains how electrons go from point to point in space/time.
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Format: Paperback
Here's a book that shows, clearly, that explaining science to a lay audience is something altogether different from "popular science". This book will not teach you buzzwords and catchphrases with which to impress your next non-physicist audience. It will not help you wow the crowds with your knowledge of "philosophical" issues of science.
What this book will do for you is give you a fascinating, lucid and yet elementary introduction to the theory of Quantum Electrodynamics (QED), as told by one of the Nobel laureates whose mind it sprang from. It amazes me how much ground Feynman managed to cover in just four lectures, without assuming ANY foreknowledge of higher mathematics or physics (not even complex numbers, which are central to QED).
Every scientist who deems his work too esoteric to be digested by laymen should be made to read this. Everyone else: get this book and be prepared to learn some amazing and intuition-confounding facts about physics.
[For the record: I'm a mathematician and computer scientist, not a physicist.]
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Format: Paperback
I had read a few books on quantium physics before, some are serious textbooks, and some are books for general readers, without even a single equation. This book, catagorized as the latter case, is the shortest, clearest and "most physical" description I've ever read.

It really tells you what the physicsts are doing behind the equations. I felt I solved many of the puzzles I had before, especially the intuitive meaning of the wave function and how the amplitudes really combine "visually".

It's a must read if you have tried other books on quantum theory but get confused (which I think is very likely). One major difference of this book from other books is Feynman didn't try to invent analogous but confusing things to explain difficult concepts. He really introduces you the subject itself.
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