Percy Williams Bridgman
Auteur de The Logic of Modern Physics
A propos de l'auteur
Born in Cambridge, Massachusetts, in 1882, Percy Bridgman studied at Harvard University. He received his B.S. in 1900 and graduated summa cum laude in physics in 1904. The following year he received his M.A. and in 1908 he earned his Ph.D. Early in his career, Bridgman was drawn to studying the afficher plus behavior of material when subjected to high pressures. Bridgman remained at Harvard after his student years; he was named research fellow and later professor in physics. During his research into high-pressure physics, Bridgeman explored the properties of many liquids and solids and designed innovative experimental equipment. He proposed a process for synthesizing diamonds, which was finally successfully implemented in 1955. This technique was favorably applied to other problems of mineral synthesis, and his work became the basis for a new school of geology based on experiments conducted at high pressures and temperatures. During the rise of totalitarianism in the 1930s, Bridgman wrote a manifesto, or a personal statement, in which he denied access to his laboratory to, and refused to discuss his work with, any citizen from a totalitarian state. During this decade, Bridgman wrote The Intelligent Individual and Society (1939). In 1946 Bridgman was awarded the Nobel Prize in physics. He invented a chamber that could withstand temperatures never before attained. His apparatus opened the way for other scientific developments and advances in thermodynamics, the properties of matter, crystallography, and electric conduction in metals. Bridgman is widely known as a philosopher of science. Realizing that many ambiguities arise in an examination of scientific methodology, he published The Nature of Physical Theory (1936) and The Logic of Modern Physics (1927), in which he argued his view that a scientific concept is really a set of operations, a view that is still widely discussed. Bridgman died of bone cancer in 1969 at the age of 79. (Bowker Author Biography) afficher moins
Œuvres de Percy Williams Bridgman
La critica operazionale della scienza 4 exemplaires
The physics of high pressure: New impression with supplement (International text-books of exact science) 1 exemplaire
La critica operazionale della scienza 1 exemplaire
Collected experimental papers 1 exemplaire
Oeuvres associées
The Critical Approach to Science and Philosophy : In Honor of Karl R. Popper (1964) — Contributeur — 17 exemplaires
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- Œuvres
- 17
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- 1
- Membres
- 208
- Popularité
- #106,482
- Évaluation
- 3.7
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- 2
- ISBN
- 25
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- 1
This will teach me to read a few pages of a book before I buy it. (In this case, my husband was standing around, waiting for me to join him at the checkout, so I felt a bit rushed to either keep it or put it down.) While relativity is the subject, it's not a primer and I'm not sure that even most physicists would find it useful.
Problem #1: The book was originally published 1962 and then reprinted. This second edition was done in 1983, but only the introduction seems to have been updated. (Admittedly, the author died in 1961, so he really couldn't update it.) Some of the comments and discussions seem very dated, such as the discussion on 'ether'. I don't think many people born after 1950 even know what ether refers to, except for the gas used to put people out during surgery. That's not the same ether.
Problem #2: Despite the title, the author assumes one is familiar with the theory of special relativity, the general theory of relativity, and many of the 'supporting' theories. Reichenbach, Bunge, Maxwell, Lorenz, etc., may all be familiar names to the author, I have very little idea who they are are (Maxwell, I have heard of), let alone what their specific theories refer to with regards to relativity. One or two small lines of background would have gone a long way to help non-physicists read this. The author does the same thing with the theories -- he refers to them and discusses problems with specific equations generated from the theory, but never gives the equations.
Problem #3: The author makes strange claims with no support. For example, he questions whether causally connected events must occur be related invariably in time. This breaks down to mean if A causes B, then A doesn't necessarily have to occur before B. A can occur after B, but A can still cause B. I spent many days thinking about this, but I still don't get it. Had he provided some support or examples, I might have been able to figure out what he was getting at, because I can't believe that he's saying A causes B but B precedes A.
Problem #4: The author seems much more interested in the philosophy of physics and the minutiae of the theory, than in any implications of the theory. For example, he spends pages on discussing how to set 2 clocks, or whether 2 observers are necessary. While this is interesting to some degree, I got the impression that this was all he could say on the subject. (People do tend to pick at the edges of theories, rather than attack the heart of the theory, if they don't understand the theory fully.)
Problem #5: The author's writing style is difficult. I do understand that he is trying to be precise and that I may not have sufficient background to understand each term he uses in the precise way he uses it, but still, his writing often was unclear. My guess is that his writing is more in line with 1930 philosophers than 2000 physicists.
Overall, I did learn a few things about relativity, but not as much as I had hoped I would. I'll need to find myself another primer on relativity to begin to understand it. Then maybe I'll come back to this book and see if I have changed my mind about it… (plus d'informations)