These SIX NOT-SO-EASY PIECES are drawn from Feynman's celebrated introductory course of lectures on physics. They delve into the most revolutionary discovery of twentieth-century physics: Einstein's theory of relativity. 'In these lectures everything you've ever heard about Feynman's wit and genius comes true' -- John Horgan
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Richard P. Feynman (1918-88) was one of this century's most brilliant and original thinkers. He taught at Cornell and the California Institute of Technology and received the Nobel Prize in Physics for his work in quantum electrodynamics. Books by Feynman in Penguin include THE CHARACTER OF PHYSICAL LAW (1965), QED (1985), the bestselling THE MEANING OF IT ALL(1998) and SIX EASY PIECES (1998).
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Couverture | Copyright | Table des matières | Extrait | Index | Quatrième de couverture
Couverture | Copyright | Table des matières | Extrait | Index | Quatrième de couverture
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Par bernie
Format:Broché
The title of the book gives away the contents. I bought the CD because I have an hour commute to work and don't want to waste time on traffic reports. This was a big mistake for this book unless you have extraordinary powers of visualization. The descriptions are quite clear; however it is like following a map of Europe in your mind and never seeing the original map. The book is quite clear and after reading it you say "Now why did I not think of that?"
After reading the book (that comes packaged with the CD's) the CD's quit helpful in pronouncing words and you can then remember the diagrams you saw. They add a demotion to this collection that is worth the cost; yet, the CD's can not substitute for the book.
After reading the book (that comes packaged with the CD's) the CD's quit helpful in pronouncing words and you can then remember the diagrams you saw. They add a demotion to this collection that is worth the cost; yet, the CD's can not substitute for the book.
0 internautes sur 5 ont trouvé ce commentaire utile
Format:Broché
Ce petit livre de Feynman ne me convainc pas du tout. Mais pas du tout. Pas plus que tous ses livres d'ailleurs (à l'exception de son excellent livre de mécanique statistique). Peut être est-ce une question de goût, mais en ce qui me concerne, Feynman m'a toujours fait l'impression d'un gars qui s'agite, bat des bras, et hop la belle équation. Vous n'y comprenez rien? Ah ben regargez le ciel c'est beau - et hop une deuxième. Ah - là non plus vous ne comprenez pas ? Et celle-ci... Bref que du bagou: pour la rigueur, la logique, vous pouvez repasser un autre jour (un autre siècle). Feynman, c'est typiquement le chercheur brillant (prix Nobel je rappelle), mais l'enseignant bof bof. La force de Feynman: ses idées. Mais quand la logique ou la clarté ne suivent pas, et qu'il faut se fier à l'enthousiasme ou au sourire du bonhomme, on perd vite des hommes. Ces "lectures" de Feynman sont décevantes les unes après les autres, font parfois référence à son cours de Berkeley sans autre explication, et les explications du texte relèvent parfois plus d'une algèbre pépère de niveau seconde (et encore) que d'une vision physique fine en perçante. En bref, vous l'aurez compris, je ne déconseille ce petit bouquin.
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37 internautes sur 37 ont trouvé ce commentaire utile
5.0 étoiles sur 5
Six More Elegantly Explained Concepts
4 avril 2003
Par John
- Publié sur Amazon.com
Format:Broché
Six Not-So-Easy Pieces is the sequel to the book Six Easy Pieces. The first book is a collection of six of the easier lectures from Feynman's freshman and sophomore physics classes at CalTech. Six Not-So-Easy Pieces are some of the more difficult lectures from those classes. In contrast to the first book, these lessons are much more mathematical. Freshman calculus is definitely a prerequisite to reading this book. Courses in vector calculus and differential equations will help the reader to more completely understand the works, but they are not absolutely necessary. However, without much mathematical knowledge, one can just take Feynman at his word for all the equations, reading mainly the conceptual explanations, but one will invariably miss out on some of the points. For anyone reading the book, Feynman's teaching style is something that can be enjoyed. He explains the concepts in a comprehensive and not-too-difficult manner and seems to have a full understanding of what the student in the lecture hall is thinking. The six topics (chapters) covered in this book are: Vectors, Symmetry in Physical Laws, The Special Theory of Relativity, Relativistic Energy and Motion, Space-Time, and Curved Space. This book is in no way a survey of physics. It is more of a sampling of Feynman's teaching. However, the common thread that runs through the six pieces is that they all relate to understanding relativity. For the layman who has a mathematical background and wants to understand the concept of relativity, this book is an excellent help. I would suggest reading Six Easy Pieces before reading this book, but it is not necessary. If you enjoyed reading the first book, I would highly recommend this one and vice versa.
72 internautes sur 82 ont trouvé ce commentaire utile
3.0 étoiles sur 5
NOT for the beginner.
31 décembre 2002
Par James Yanni
- Publié sur Amazon.com
Format:Broché
If you've got a fair background in beginning Calculus and elementary physics, you may find this book very worthwhile. I wouldn't know.
Don't be fooled, however, by reviewers who claim that Feynman explains things in such a way that even without those basic tools, the book isn't incomprehensible. I've HAD basic calculus, albeit a LONG time ago, and I'm a tad rusty. And I have even less grounding in physics. But I'm far from mathematically illiterate, or incapable. And it isn't true that I got nothing out of my reading of this book; the sixth chapter did, in fact, answer the question that I'd hoped to have answered when I bought it. But by and large, the book was close to impenetrable. Now, clearly, this may well be due to my lack of preparation in the prerequisites for understanding it. But it definitely is NOT the first step in the process of understanding physics, as one reviewer actually called it and others implied. Read "Six Easy Pieces" first, and brush up on first-year Calculus. THEN consider tackling this book.
28 internautes sur 31 ont trouvé ce commentaire utile
5.0 étoiles sur 5
The "Theory" behind the Theory of Relativity
14 juin 2000
Par Alex Mikhail
- Publié sur Amazon.com
Format:Broché
These lectures where designed to give the student the reasoning behind relativity. Unlike some books, this book does not just explain the results or phenomena of relativity. Feynman actually explains the problems with Newton's laws and actually derives and gives the reasoning for Einstein's theories about relativity. These lectures need only some calculus and basic physics knowledge to appreciate. However, as with most bonfide scientific literature, the more "mathematically and scientifically mature" the reader the better. Feynman uses pieces of calculus (very basic stuff), algebra (symmetry, vector notation, cross products, and dot products), geometry (non-Euclidian), and basic physics knowledge (conservation laws, Newton's laws, Maxwell's equations etc). You don't need all of this to listen and understand the lectures, but obviously the more the better. Feynman also does a good job of explaining some the mathematics involved as well. The lectures pretty much follow the book so you can read along while you listen. These are actual lectures that Feynman gave at Caltech to undergraduates so they are very rigorous. In short, the lectures were clear, very understandable, and offer something to everyone. You don't need anything more than a solid background in calculus and introductory physics to get something out of these lectures.
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