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Black holes and baby universes.pdf

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10 The Quantum Mechanics of Black Holes. 11 Black Holes and Baby Universes. 12 Is Everything Determined? 13 The Future of the Universe . Readers worldwide have come to know the work of Stephen Hawking through his phenomenal million-copy hardcover best-seller A Brief History of Time. Black holes and baby universes and other essays by Stephen W. Hawking, , Bantam Books edition, Hardcover in English.


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PDF | We discuss the essential features of baby-universe production, starting from a description of black holes and wormholes, in terms of the. baby universes could be formed within our present universe – either in a the physics of black holes and wormholes, and their relationship to. NEW YORK TIMES BESTSELLER • Thirteen extraordinary essays shed new light on the mystery of the universe—and on one of the most brilliant thinkers.

They present a universe which not chaotic, but open to uncertainty and bound by laws that shape the time and space in which we all operate. Showing But it was in vain. Saber Un libro muy peculiar. I like that Hawking is positive and life affirming. An Einstein Centenary Survey, with W.

Original Title. Other Editions Friend Reviews. To see what your friends thought of this book, please sign up. To ask other readers questions about Black Holes and Baby Universes , please sign up. Be the first to ask a question about Black Holes and Baby Universes. Lists with This Book. Community Reviews. Showing Rating details. Sort order. Nov 11, mark monday rated it liked it Shelves: They are still arguing about the scientific theories of the early years of this century, like relativity and quantum mechanics.

They are not in touch with the present frontier of physics. Hawkings' work and this collection is overtly driven by his desire to finally create this "theory of everything" - one that will at long last lay bare the inner workings of the universe, where we have been, where we are going, how it all connects and what it is all about.

God seems to be very much on Hawking's mind. These laws may have been ordained by God, but it seems that He does not intervene in the universe to break the laws. Until recently, however, it was thought that these laws did not apply to the beginning of the universe. It would be up to God to wind up the clockwork and set the universe going in any way He wanted.

Thus, the present state of the universe would be the result of God's choice of the initial conditions. The situation would be very different, however, if something like the no-boundary proposal were correct. In that case the laws of physics would hold even at the beginning of the universe, so God would not have had the freedom to choose the initial conditions.

Of course, He would still have been free to choose the laws that the universe obeyed. However, this may not have been much of a choice. There may only be a small number of laws, which are self-consistent and which lead to complicated beings like ourselves who can ask the question: What is the nature of God? And if there is only one unique set of possible laws, it is only a set of equations. What is it that breathes fire into the equations and makes a universe for them to govern?

Although science may solve the problem of how the universe began, it cannot answer the question: Why does the universe bother to exist?

What would happen if you fell into a black hole? You get made into spaghetti. View all 9 comments. Jan 22, Annie rated it liked it Shelves: This is a very different book from A Brief History of Time.

I can never decide how much I like Hawking. He can be lowkey condescending at times, but on the other hand he admits his shortcomings freely and quickly and has this droll tone conveyed throughout that makes him irresistible. The only trouble is that it gives me an American accent. However, by now I identify with its voice.

I would not want to change it even if I were offered a British-sounding voice. I would feel I had become a different person. I do have a little hatred in my heart for Hawking because of how much he hates philosophy, and how little he seems to understand of it.

He also sometimes has a tendency to mess up his pacing. And that baby universes might exist where particles go while inside a black hole, before they are emitted by the white hole that is born somewhere else. View all 4 comments. Romanian review: English review: I did not intend to read this book in until Stephen Hawking's death, but then I decided that's the least I could do in his honor.

Until now, I only read by Stephen Hawking the first three books of the "George" series, written with his daughter Lucy, in other words, I did not read any of his science books in every sense of the word.

I'm glad I chose to read this one. I will not deny that I did not understand all the scientific parts, although Stephen Hawking has an accessible style, writing in order to popularize science, make it accessible to all, not to boast in academic circles.

The book includes a biographical part, a science part and an interview from , every part being as interesting as the previous one. Reading this volume I learned many new things and at the same time I realized that there are a lot of things that I do not understand yet, so I intend to inform myself as much as possible about quantum mechanics, general relativity and the cosmos, and that as soon as possible.

One of the things that I can say has changed the way I see the world is the information that it is known how to determine whether the Universe will expand infinitely or collapse, I knew that so far it is not known whether the Universe and time will have an end, but I did not know anything about critical density, so about the fact the it is know how the future of the Universe will be determined, and that's just one of the interesting information I've learned from the book so I can say it was a valuable reading for me.

Interestingly, at one point in the book Stephen Hawking says he would not like a film to be made about his life, and yet in "The Theory of Everything" was made, with Eddie Redmayne who had a tremendous performance worthy of the Oscar he received playing Stephen, so it seems that in 21 years Stephen Hawking's opinion has changed.

I'm sorry that Stephen Hawking died, and that the world remained poorer, deprived of another great genius, but I'm glad he lived about 50 years more than his doctors predicted and that he managed to discover amazing things, he certainly deserves more appreciation than he has received. At the beginning of the book, Stephen Hawking spoke about how it is just a coincidence that he was born exactly years after Galileo Galilei's death January 8th , so I am curious what would have he said if he had known that Albert Einstein was born in the same day he died March 14th?

Jun 02, Natasha Off rated it liked it. I learned too much with this book, I don't like this type of books, but, its very helpful. Mar 26, Alan Johnson marked it as partially-read Shelves: Chapter 12 of this book of Stephen Hawking's occasional writings reproduces a lecture given at the University of Cambridge in April It is entitled "Is Everything Determined?

Hawking concluded that science can neither prove nor disprove that free will is impossible in the face of scientific determinism and that, pending such proof, we "may as well adopt the effective theory that human Chapter 12 of this book of Stephen Hawking's occasional writings reproduces a lecture given at the University of Cambridge in April Hawking concluded that science can neither prove nor disprove that free will is impossible in the face of scientific determinism and that, pending such proof, we "may as well adopt the effective theory that humans are free agents who can choose what to do.

Maybe it's just that those who don't look don't survive to tell the tale. Instead, one has to adopt the effective theory that one has free will and that one is responsible for one's actions. This theory is not very good at predicting human behavior, but we adopt it because there is no chance of solving the equations arising from the fundamental laws. There is also a Darwinian reason that we believe in free will.

A society in which the individual feels responsible for his or her actions is more likely to work together and survive to spread its values. A collection of free individuals who share mutual aims. Thus, such a society is more likely to prosper and to spread its system of values. If one tries to deduce human behavior from the laws of science, one gets caught in the logical paradox of self-referencing systems.

Bantam Books, , , Considering my current interest in the issue of free will, I am not now reading the other essays in this book and accordingly am not rating the book as a whole. Alan E. Johnson revised June 2, View 1 comment. May 24, Bart Breen rated it really liked it. Fascinating and Stimulating Like others who have reviewed this work, I can endorse it as a stimulating and thoughtful book.

It is in essence however not a coherent book with a single theme. It is a compilation of articles and as such there is much in the book that is repetitive. Hawking acknowledges this and disclaims it at the outset. Even with the forewarning I found that element to be a tad annoying.

I listened to the audio version of the book while commuting and I found it overall to be a fasc Fascinating and Stimulating Like others who have reviewed this work, I can endorse it as a stimulating and thoughtful book.

Black holes and baby universes and other essays ( edition) | Open Library

I listened to the audio version of the book while commuting and I found it overall to be a fascinating read. The biographical material about Hawking helped to put a "person" to the personality.

Hawking is, without doubt, brilliant. His ability to reduce difficult concepts to listener sound bites speaks to that brilliance. I came away with an appreciation for his brilliance and abilities as well as the field of cosmological science that I did not have before. Of particular note, I found Hawking's treatment of metaphysics to be interesting but ultimately no more valuable than anyone else's opinions in that area.

Physics will never answer the question of why the universe exists or whether God in fact exists and created this universe. Science can only answer how the universe works and what laws govern its behavior.

Hawkings admits this himself so I took no offense to his words, I just found it interesting that his position did not make his insights in that regard any more valuable. The final segment of transcript from a radio show read by the narrator struck me a an opportunity missed to allow Hawking to finish with his own voice and presence. I was disappointed they did not use the original sound feed and chose to read the transcript.

Well worth the read or the listen. Already dated though and perhaps his more recent works would be of more value to most listeners. Mar 14, Mohamed al-Jamri rated it it was ok.

Wonderful book for theoretical astrophysics neophytes such as me! The book is written in the same clear and simple style as 'A Brief History of Time'. Hawking dumbs down his work enough to make it accessible to the masses without compromising on its intrigue or wonder. I was particularly impressed by his explanation for imaginary time, a concept I have been struggling to understand for some time. More importantly, it is the kind of book that turns people on to science.

Well done, Mr. My favorite aspect of this collection of essays is that Hawking reveals himself as well as his science.

The book includes two autobiographical essays and an interview in which Hawking tells the reader about his early history and his contraction of motor neuron disease, as well as his transformation from a bored young adult to a well-established and cutting-edge theoretical physicist.

I like Hawking and his style as much as I enjoy learning about and reviewing key tenets of astrophysics.

I also My favorite aspect of this collection of essays is that Hawking reveals himself as well as his science.

Baby universes.pdf holes and black

I also like the fact that Hawking doesn't shy away from giving other people credit for their discoveries. It's endearing. Each of the essays in this collection was easy to follow and held my attention for different reasons. I like that Hawking is positive and life affirming. I like that he doesn't ever deny the existence of God. I like his obvious admiration of Einstein. I like that Hawking is always conscious of his reader and clearly wants his reader to understand and appreciate the value of physics and the reasons that it matters for everyday life.

I highly recommend this book to people interested in astrophysics, Stephen Hawking, and how things work and why they work the way they do after all, that's what got Hawking started with science: View 2 comments. Apr 16, Lupita rated it it was amazing.

Black Holes and Baby Universes

Not as complex as I thought. Its very descriptive and give to the reader a lot of examples to understand the theories and the concepts. Pubblicato 5 anni dopo il suo primo libro e bestseller Dal big bang ai buchi neri - Breve storia del tempo , Buchi neri e universi neonati sceglie un'altra strada per il processo divulgativo. In questo libro vengono proposte, in linea generale, le teo Pubblicato 5 anni dopo il suo primo libro e bestseller Dal big bang ai buchi neri - Breve storia del tempo , Buchi neri e universi neonati sceglie un'altra strada per il processo divulgativo.

Chiude poi il libro una trascrizione della storica trasmissione radiofonica inglese BBC Desert Island Discs andata in onda il giorno di Natale del , in cui durante una normale intervista all'ospite viene anche chiesto quali 8 dischi porterebbe su un'isola deserta, quale oggetto di lusso e quale libro. Per chi fosse curioso, view spoiler [i dischi scelti da Hawking sono Gloria di Poulenc, Concerto per violino di Brahms, Quartetto per archi op.

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Black holes and baby universes and other essays Stephen W. Black holes and baby universes and other essays Close. Want to Read. Are you sure you want to remove Black holes and baby universes and other essays from your list?

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Black holes and baby universes and other essays by Stephen W. Written in English. People S. Edition Notes Includes index. Classifications Dewey Decimal Class H33 A3 Readers waiting for this title: Check nearby libraries with: WorldCat Library. Buy this book Amazon. Share this book Facebook.

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