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Three Roads to Quantum Gravity

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Three Roads to Quantum Gravity

De: Lee Smolin
Narrado por: L. J. Ganser
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In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final "theory of everything." He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and black holes and tells the fascinating stories behind these discoveries: the rivalries, epiphanies, and intrigues he witnessed firsthand. Written with exceptional style and clarity, Three Roads to Quantum Gravity confronts the deepest questions of the nature of the universe and provides a preview of some of the remarkable scientific developments we can look forward to in the 21st century.

©2001 Lee Smolin; Postscript © 2002 by Lee Smolin; Postscript to the 2017 Edition © 2017 by Lee Smolin (P)2018 Recorded Books Astronomía Astronomía y Ciencia Espacial Ciencia Física Matemáticas Agujero negro Cosmología Quantum Physics
Clear Explanations • Insightful Physics Content • Accessible Complex Concepts • Thought-provoking Ideas • Educational Value
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It was a very nice trip through Quantum Gravity, and the author is keen enough to point out where the pitfalls and difficulties are. Is also interesting see a 15 years later upgrade added

Complex but Fantastic Mind Opener

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very balanced portrayal of several research paths. Altuogh he is very clear about which path he feels is best. Great book overall

Fascinating story

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I first came across the author Lee Smolin through his 2006 book, The Trouble with, which I thought deserved merit, because it highlighted the detachment of modern particle physics from reality and criticising the ever elusive and continuously evolving mathematical hypothesis of string theory.

I had purchased this book without realising it was written prior to his 2006 book. It becomes quite evident that the author is struggling to reconcile theories which are not testable and therefore unable to be falsifiable.

Can science produce work that no one can conceive experiments for testing them. In this book Smolin is still optimistic, but what else can a person who spent most of his life think. I believe there is more hope than reality. Physicists are satisfied with mathematical theories that explain reality and less concerned with experiments at this scale.

The book explains three roads to quantum gravity, an effort to unify quantum theory with relativity, but the roads could very well be more than three, and very long indeed before any unifying theory can be experimentally tested.

The author writes well on subjects that are usually nearly impossible to understand, and for this I must give him credit. Recommended to those that want to understand today’s complicated physics without mathematical knowledge.

Physics still in trouble

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Interesting insight into new ideas, however even though there are updates the information is still a little dated. Good explanation into string theory and loop quantum gravity, however I still have trouble understanding either. Worth the listen. Highly recommended

A little dated

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Lucid thoughtful presentation. Brief but substantive update. Would have liked to hear a bit more on how a different understanding of time might help.

Balanced point of view

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The publication date is misleading, there is only about 45 minutes of content at the end of the book in the form of a post script that is within the last year of 2018, most of the book was published over 15 years ago

The actual publication date is 2001

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When will Quantum Theory be fully resolved. I learn a lot about progress made. Hope it’s in my lifetime,

How much. I don’t know or understand

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This book taught me a lot about loop quantum gravity, which isn’t as popular of a topic as, say, string theory. The post script is long and one of the best parts.

Extremely good book even in 2024

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I found this too rambling for my taste. I only listened for 2 hours, maybe it became more focused.

Rambling

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Not even close in narrative, narration and content.
Looping- pun intended- and cycling through dated and sometimes plain gross analogies such as cats eating yummy or yucky mice (yuck!!) I learn nothing substantial and thought provoking after 2 hours of listening- abandoning this. Waste of a credit.

Waste of time after listening to Prof. Don Lincoln

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