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Agujeros Negros y Pequenos Universos…
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Agujeros Negros y Pequenos Universos (Spanish Edition) (original 1993; edition 1994)

by Stephen Hawking

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1,59597,666 (3.68)21
"In his phenomenal bestseller A Brief History of Time, Stephen Hawking literally transformed the way we think about physics, the universe, reality itself. Widely regarded as the most brilliant theoretical physicist since Einstein, he has opened our minds to today's most important scientific ideas about the cosmos. Now Stephen Hawking returns to shed new light on the darkest regions of space and time...and to reveal an extraordinary array of possibilities for our understanding of the universe." "These thirteen essays and one remarkable extended interview broadcast over the BBC on Christmas day 1992 range from the autobiographical to the purely scientific. Building on his earlier work, Stephen Hawking discusses imaginary time, how black holes can give birth to baby universes, and scientists' efforts to find a complete unified theory that would predict everything in the universe, a concept that he believes will come to seem as natural to the next generation as the idea that the world is round." "With the great unfolding mysteries of the universe as a backdrop, Stephen Hawking also reflects on free will, the value of life, and his perceptions of death. He looks at how science theory converges with - and diverges from - science fiction, as well as how science fact interfaces with our own lives." "The pieces in this collection reveal Stephen Hawking variously as the scientist, the concerned world citizen, the man, and - always - the rigorous and imaginative thinker. Severely disabled by ALS - Lou Gehrig's disease - he describes the way in which this has affected but not constrained his personal and intellectual life: from the special computer technology that lets him translate his thoughts into words and his words into sounds, enabling him to write and speak, to the process of evolving his ideas, teaching his students, and working with his colleagues.".… (more)
Member:j_aroche
Title:Agujeros Negros y Pequenos Universos (Spanish Edition)
Authors:Stephen Hawking
Info:Planeta (1994), Paperback
Collections:Your library
Rating:***
Tags:science, space, astrophysics, non-fiction, black holes, gravity

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Black Holes and Baby Universes and Other Essays by Stephen W. Hawking (1993)

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» See also 21 mentions

Showing 1-5 of 9 (next | show all)
Unfortunately, it was no better than a recap by way of various essays of his more well-known work. Very readable, but no new info. I should have just done a little rereading. ( )
  bradleyhorner | Jun 1, 2020 |
Tras el exitazo cósmico de "Una breve historia del tiempo", el maestro Hawking empezó a darle a la manivela y produjo unos cuantos libros que, seguro, no estaban previstos inicialmente. Éste es uno de ellos, una colección de breves artículos que empiezan con lo biográfico (mi bisabuelo era de Sussex y se arruinó por comprar demasiadas granjas) y terminan con lo filosófico (hablemos de cómo la mecánica cuántica es compatible con el libre albedrío) pasando por el camino por bastante física. Un libro corto, disfrutable y muy bien escrito que se lee mucho más fácilmente que el primero del autor. ( )
  Remocpi | Apr 22, 2020 |
სტივენ ჰოკინგის ესეების და ლექციების (და ინტერვიუ) ნაკრები, სადაც ის მისთვის ჩვეული ადვილად გასაგები ენით მოგიყვებათ კოსმოლოგიის იმ მთავარ საკითხებზე რომლებზეც კარიერის განმავლობაში მუშაობდა და ფიქრობდა.
მეცნიერული თემების გარდა, შეხვდებით ავტობიოგრაფიულ ესეებს, სტივენის ოჯახურ ცხოვრებას, ადრეულ სიყმაწვილის პერიოდს, დაავადების განვითარების და ოჯახის შექმნას. ოქსფორდის და კემბრიჯის პერიოდს, გაიგებთ როგორ დაიწერა სტივენის ბესტსელერი "დროის მოკლე ისტორია" და ა.შ.
ლექციების უმეტესობა 80-იანების მეორე ნახევრით და 90-იანების დასაწყისით თარიღდება, ასე რომ რამდენიმე ლექციის შემთხვევაში სამყაროს მომავლის წინასწარმეტყველებას​ რამდენიმე მნიშვნელოვანი პრობლემა და მთელი რიგი ინტერპრეტაციები და სცენარები აკლია. რაც სრულიად გასაგებია სამყაროს აჩქარებით გაფართოება და ბნელი ენერგია უფრო ახალი აღმოჩენებია, ეს ყოველივე გათვითცნობიერებულ​ მკითხველს აგრძნობიენებს რა სწრაფად იცვლება სურათი და რა მასშტაბებს აღწევს პროგრესი.
გარდა ზემოთ ნახსენები ფაქტისა ჰოკინგის ადვილად გასაგები ახსნის უნარი, მისწრებაა კოსმოლოგიაში გაუთვითცნობიერებელი​ მკითხველისთვის, რომელსაც ამავდროულად აინტერესებს კოსმოსური თემები და ეძებს მარტივ ენაზე დაწერილ წიგნს. თუმცა თავად კოსმოლოგიის და ფიზიკის სირთულე გარანტიას ვერ მისცემს ვერავის რომ ყველაფერი გასაგები იქნება. ( )
  Misha.Kaulashvili | Aug 22, 2016 |
In this book Hawking talks about his life and about his major areas of interest in his researches.
The book is a collection of updated essays and speeches concerning the cosmology and related topics. Hawking explains scientifically, and explains his explanations using a clear and understandable language.
Like always, Steven Hawking makes even the most complex theory sound simple. ( )
  Haidji | Aug 3, 2015 |
A long drive called for a good audio book. Black Holes and Baby Universes and Other Essays by Stephen Hawking fit the bill. Hawking is the famous physicist who also has ALS.

Hawking published this book in 1993, five years after he published his bestseller A Brief History of Time.

I wanted to post this review as soon as I could while I could still remember and sort of understand the gist of what Hawking was saying. The first 1/4 of the book is autobiographical, him explaining his upbringing and love for cosmology. The rest are a compilation of essays and lectures he gave to various groups over two decades.

Hawking's research has primarily been on black holes. Much of what we know/suspect about black holes can be attributed to him. I'm awed by the mathematical concepts that had to be invented to do the research that he and other physicists do. There's a point where mathematics becomes philosophical-- and that is the deep soul of physics and cosmology.

His lectures always point to the quest for the grand unified theory of the universe (GUT). This is the one theory that will explain how everything in the universe works. As the years in the lectures progress, it becomes obvious to me that the GUT becomes a sort of deity, Hawking has said if we can know it we "can know the mind of God." It raises all sorts of philosophical questions about predestination and free will.

Here's the main point I got from the book and Hawking's work: If the universe is unlimited in scope then the laws of physics were the same at its creation as they are now. The universe was not created nor can be destroyed--it just is.
However, if the universe is actually limited in scope, then the laws of physics didn't apply at its creation as they do today. Some outside entity must be responsible for its creation.

Hawking believes the former, and I'm betting on the latter.

Hawking invented something called imaginary time. Kind of complex to attempt to explain here, essentially imaginary time is the sum of all possible points in time. Think about alternate realities, all the possible variations of possible histories. If you look at things through the lens of imaginary time (which is a heavy mathematical concept) then things like the Big Bang no longer become troublesome singularities where the laws of physics don't apply, but become like any other event in history.

Interestingly, Hawking believed in 1992 that the GUT was only about 20 years away, and inhabiting other planets less than 100 years away. Looks like is probably wrong on those. Apparently, new research has led Hawking to change his mind on some of his beliefs, and published another book recently. I've read recently about a high-powered particle accelerator being built to test several theories in physics. One guy in Hawaii is actually suing to get the scientists to stop because he fears they will create a black hole here on earth. The work of that particle accelerator will have profound implications for all of science, however.

This book reminded me that in talking about Biblical creation you have to start at the very beginning--when the universe was created. I think most Biblical creation apologists are biology-oriented and therefore don't have the mathematical understanding needed to develop a good Christian apologetic against theories like the ones Hawking purports. There are a few really good redeemed physicists out there, however. ( )
1 vote justindtapp | Jun 3, 2015 |
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Author nameRoleType of authorWork?Status
Stephen W. Hawkingprimary authorall editionscalculated
Oriolo, RichardDesignersecondary authorsome editionsconfirmed
Prebble, SimonNarratorsecondary authorsome editionsconfirmed

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