Ebook Free , by John D. Barrow
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, by John D. Barrow
Ebook Free , by John D. Barrow
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Product details
File Size: 2534 KB
Print Length: 386 pages
Page Numbers Source ISBN: 0375726098
Publisher: Vintage (May 20, 2009)
Publication Date: May 20, 2009
Language: English
ASIN: B002AKPBD4
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#723,317 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
Gave it 5 stars, but I'd really rather give it a 4.9. Everything about this book is good, except that the final definition of nothing that Barrow uses seems to still be something. I fully admit that I may not understand the nothing he is talking about. Francis Shaeffer defines "nothing" as "nothing nothing". As in, "not something". Something without attributes. Barrow seems to define nothing as how Shaeffer defines "nothing something": a nothing that has attributes. But if a nothing has attributes is it not a something?Again, I may not be understanding it properly, but that is my only contention with the book. The rest of it is completely and utterly fascinating.
I was excited to read this book. I find the concepts of zero and the vacuum very interesting and those are the very concepts that are the focus of this book. Unfortunately, it did not quite live up to my expectations.The first chapters of the book are quite good. Barrow gives us a history lesson on the development of the mathematical concept of zero as well as the historical concept of "nothing" which science will turn into the concept of vacuum. We get to read about the use of zero as a place holder in more complex numbering systems as well as its coming into being as a number. We get to read about the some of the great scientists--Pascal, Newton, Michelson, Einstein--doing experiments and tossing around ideas like the aether. All of this is interesting and well told.However, about half-way through the wheels start to fall off. Barrow is not nearly as good at explaining the modern concepts of the vacuum as he is about telling of its historical development. Modern physics is again grappling with the question of whether or not a true vacuum can exist. It may be that fluctuations in the vacuum caused the Big Bang and are constantly creating multiple universes, for example. But though Barrow discusses these things, he does not do so in a very coherent manner. Alan Guth, for instance, did a much better job of discussing these same subjects in his book on the inflationary universe theory.Plus, Barrow is clearly out to toot his own horn a bit in the last couple chapters by mentioning his own contributions to the development of the subject. It just so happens that his contributions don't seem nearly as important as other authors who have written on similar subjects. For those readers interested in the history of zero and the vacuum, I would suggest reading this book through chapter five and then putting it aside.
John Barrow's work is truly nifty and represents well-researched and designed material, that can stand on it's own.If you have already read popular science cosmology books by Kip Thorne, Igor Novikov, Martin Rees or Alan Guth (just a few excellent examples - check my reviews), "The Book of Nothing" will still deliver new and fresh angle through which mysteries of quantum and Universe can be looked at. Therefore I recommend this book to all cosmology readers.Book is unique as a blend of tasteful dissertations from the realms of theology, philosophy, mathematics and cosmo - science. We will discover Mayan culture, Islamic art and Babylonian concept of zero, meet and learn what they thought or discovered - Greek philosophers, Hindus, Leibniz, Galileo, Pascal, Descartes, Newton/Einstein, Godel, Lemaitre, Plank, Guth, Linde, and Penrose/Hawking.The main theme (regardless if this was cosmology part of the book or not) is vacuum, and more exactly: it's energy.Vacuum is not empty due to quantum phenomena and vacuum presents itself as a LAMBDA force, dominating, according to what we observe, the current behaviour of visible Universe.Especially interesting are author's summaries about famous question: "Why is there something rather than nothing?", and about origin of the Universe and life.Is it possible that Cosmos always existed and will exist, or has it been created out of NOTHING?After all, one may construct, very easily, mathematical equation that proves "nothing" theory (find it inside the book).Can cosmos be self-reproductive or cyclical? John Barrow and his colleague Mariusz Dabrowski discovered answer to the latter.Few explanations:Figure 8.2 (Mexican hat): horizontal axes (both) can be labeled as Higgs field values.Figure 8.5: horizontal axis contains label for the scalar field as well.Figure 7.11 contains symbol "phi" (zero with slash): it represents the golden ratio and equals (1 + square root of 5)/2 = 1.61803...Sentence on page 248 (paperback edition) should read: "..so in combination they can pin down the Universe by their overlap with far greater certainty (not "uncertainty") than when taken singly." This sentence describes figure 8.10.Finally I was overwhelmed and amused by many great citations, that shine along the text. Some of them are really funny; some are incredibly deep and surprising.Here is a sample of the funny one:"I must say that I find TV very educational. Whenever somebody turns it on, I go to the library and read a book".For sure, go and read John Barrow's, you will not regret.
I was surprised, in a book about Vacuum, not to encounter any mention of its canonical forms (Casimir, Rindler, Inflationary, Cosmic String, and "Groundhog Day"...but I may be leaving one out), as were detailed in J. Richard Gott's book, _Time Travel in Einstein's Universe_. One would think, with Nothing else to write about (pun intended), this book would go into greater depth on the subject of what is known about Vacuum and the distribution of energy density, for instance. The best I can say is that this book should be read as more of a history of the concept of nothingness, of which it presents a very good treatment.
as advertised, well packed
Excellent item! This is really an amazing item that anybody could buy for their very own personal time and pleasure.
just wanted more of course, like anyone would about where and how we are here. easy read, just to add to the brain.
Easy to understand yet fairly complex in details. Nice job.
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