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A Brief History of Time

4.09  ·  Rating Details  ·  151,476 Ratings  ·  3,901 Reviews
"A Brief History of Time," published in 1988, was a landmark volume in science writing and in world-wide acclaim and popularity, with more than 9 million copies in print globally. The original edition was on the cutting edge of what was then known about the origins and nature of the universe. But the ensuing years have seen extraordinary advances in the technology of obser ...more
Paperback, 212 pages
Published (first published 1987)
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Colleen I just watched the movie "The Theory of Everything" and am thrilled that Eddie Redmayne received the Oscar for best actor in a leading role.
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Huda Yahya
Sep 11, 2015 Huda Yahya rated it really liked it  ·  review of another edition

هناك لذّةٌ ما ،، في أن تفتحَ كتاباً تشعُّ من سطوره ألوان الفضاء
شيءٌ ما في فعلِ المعرفةِ ،، والتأمل فيها
شيءٌ يأخذ عقلك إلى أمكنةٍ أخرى
لا بين المجرات
ولا في خضّم الكونِ الواسع
بل هنا بداخلك
عند هذا النبض الأخّاذ في قلبك
حيث تبدأ المتعة في التحرر
لتغمر مسامّك برائحة الدهشة
فالكون في داخلك أنت يا صاحبي

تاريخٌ موجز للزمن ،، يُعتبر من أهم الكتب العلمية الحديثة
يأخذك ستيفن هوكنج في رحلةٍ عبر تاريخ العلم
ويشرح لك كيف تغيّرت نظرتنا للكون ،، ولمجرتنا ،، ولكرتنا الأرضية ،، ولأنفسنا كذلك عبر العصور

هذه هي قرا
Sep 09, 2008 Bill rated it really liked it  ·  review of another edition
Shelves: cosmology, physics
This book puts me in mind of the story about how a Harvard number theorist, through some malfunction of the scheduling computer, got assigned to teach an introductory course in pre-calculus. Being one of those individuals to whom math came so easily that they couldn't grasp how difficult others found it, the professor had no idea what to cover in such a course.

So, he went to the chair of the department, who told him: "You'll want to start with the real number-line and then progress to inequalit
❁ بــدريــه ❁
نمضي في حياتنا اليومية غير مدركين
لمعظم ما يجري من حولنا ، نعطي قليلاً من
التفكير للآلية التي تولد ضوء الشمس و
الذي يجعل حياتنا ممكنة ، للجاذبية التي
تجعلنا ملتصقين بأرض كانت ستقذفنا
لولاها لندور في الفضاء أو إلى الذرات
التي نحن مصنعون منها و التي نعتمد
بشكل أساسي على توازنها ، إلا للأطفال
( الذين لا يعرفون كفاية بأنهم لا يجب أن
يسألوا أسئلة مهمة ) . بعضنا قضى الكثير
من وقته متسائلا : لماذا الطبيعة على ما هي
عليه ، من أين أتى الكون ، أو فيما إذا كان
دائما موجودًا، إذا كان الوقت سيعود يومًا
ما إل
Ahmad  Ebaid
Feb 11, 2016 Ahmad Ebaid rated it really liked it  ·  review of another edition
Shelves: علوم
"والواقع أننا قد أعدنا تحديد مهمة العلم لتصبح اكتشاف القوانين التي تمكننا من التنبؤ بالأحداث في الحدود التي يفرضها مبدأ عدم اليقين"

بدأ ستيفن هوكينج, وهو عالم في الفيزياء النظرية, في كتابة هذا الكتاب في الفترة التي كان مازال يستطيع فيها أن يستخدم صوته وهو شبه مشلول على كرسيه المتحرك, ثم وبعد فترة, وقبل أن يكمل الكتاب, خضع لجراحة شقت فيها حنجرته, ليذهب صوته وهو الشيء الوحيد الذي كان يتواصل به مع العالم آنذاك

ظن في البداية أنه لن يستطيع إكمال الكتاب, ولكن أحد طلبته "بريان هويت" قام بمساعدته, ليس فق
It is not clear to me who is in the target audience for this book. At times it tries to explain basic concepts of modern physics in simple language, and at other times it assumes a familiarity with the same subject. For the first time I think I "understand" why absolute time is not consistent with relativity theory or that space-time curvature supplants the notion of gravity, and for that I thank the author. There are a few other things I believe I have a glimpse of having (finally) slogged thro ...more
Oct 23, 2009 Laurel rated it liked it  ·  review of another edition
Shelves: non-fiction, science
If I had a slightly more evolved brain or were as brilliantly smart as, say, Stephen Hawking, I might give this book 4 or 5 stars. I'm pretty certain it deserves 4 or 5 stars. But my brain is only (I like to think) a bit above average. And so, yes, I admit it -- much of this (especially when delving into his own theories) was over my head. And while I found what I did understand absolutely fascinating, I can't really give it more than 3 stars because doing so would imply I really "got it."

I actu
Dec 21, 2015 Mahdi rated it really liked it  ·  review of another edition
Shelves: علمی
خیلی وقت بود دنبال یه کتاب بودم که نظریات فیزیک جدید رو توضیح بده. زیاد از اصل عدم قطعیت و کوانتوم و نسبیت و نظریه ی ریسمان ها و سیاهچاله و کرمچاله و انفجار بزرگ و غیره و غیره شنیدیم، ولی شاید از هیچ کدوم تصور درستی نداشته باشیم. این کتاب خیلی از این نظریات رو مفصل توضیح میده.
استيون هاوكينگ يك مستند سه قسمتى داره، به نام "به سوى كيهان، همراه با استيون هاوكينگ" با صداى بى نظير بنديكت كامبربچ، كه بيشتر مباحث اين كتاب رو، بسيار بسيار ساده تر توضيح ميده. توصيه مى كنم كسانى كه تازه مى خوان مطالعات كي
David Sarkies
Apr 02, 2015 David Sarkies rated it really liked it  ·  review of another edition
Recommends it for: People who like physics but are not physicists
Recommended to David by: John Lennox
Shelves: science
Things I learnt from Stephen Hawking
11 October 2014

Ever since I took up physics in year 11 I have had a love affair with the subject, which is odd since I went on to study an arts/law degree (but that probably had something to do with the fact that I would not have had the staying power to pour all of my energy into helping human knowledge advance towards establishing a unified theory). I still wonder where I ended up getting this book, and it had been sitting on my shelf for quite a while (pro
Aug 30, 2007 Matthew rated it it was ok  ·  review of another edition
Hawking is a brilliant physicist and a true expert in explaining highly complex aspects of our physical universe in terms that can be understood by most lay people.

Where Hawking fails, in my opinion, is his hubris. He proceeds in to the realm of metaphysics and religion in several portions of this book. For instance, in his chapter on the "arrow of time", he states that, essentially, the universe can only move in one direction of time. It cannot go backwards. He also states that this limits the
Dec 13, 2015 Darwin8u rated it liked it  ·  review of another edition
Shelves: 2014
“The universe doesn't allow perfection.”
― Stephen Hawking, A Brief History of Time


I know. I know. I both loved and hated this book. I definitely should never have read this book, cut the pages, opened the box, etc.. Somehow Stephen Hawking has written a book that gently fluffs the tail on Schrödinger's cat (or perhaps Schrödinger's cat is fluffing Dr. Hawking).

Look, no doubt the guy is a genius and has a fantastic story (ALS, computer voice, nurses, Black Holes, strippers, movies, etc). My pro
Dec 08, 2007 Trevor rated it really liked it  ·  review of another edition
Shelves: science
The main idea to take away from this book is that time has a clear direction. Entropy is the idea that the universe moves from highly ordered states to less ordered states. If you take the lid off a bottle of perfume, and leave it off for a few days the perfume will go from being highly ordered (all in the bottle) to highly disordered (all over the room).

Hawking uses this idea to explain why travelling back in time is impossible. It requires very little energy to knock a glass over and smash it
Nov 03, 2011 Manny rated it it was ok  ·  review of another edition
Shelves: science
Apparently this book tops the world list of "bought but not read", which may explain why it's so universally acclaimed as a work of genius. If you know anything much about relativity or cosmology, it comes across as a potboiler, admittedly a well-written one with a great final sentence. I wasn't impressed.

But... without it, we would never have had MC Hawking. If you haven't come across him, start with the lyrics to "E = MC Hawking". Then buy A Brief History of Rhyme.
Mustafa Ahmad
I've always liked science. But, it has never really been easy to distinguish my favorite subject, as I really like them all, so science is on par with history and math and literature for me.

But, after reading this book and the works of Brian Greene, as well as numerous other popular books on physics, I have seen science in an entirely different light.

If people could still produce intelligent books such as this one, then our world might actually be a fairly pleasant one. I'm not saying that we'r
Dodoo Ahmed
بما ان اختصاص الكتاب ليس من اهتماماتي فق قرأته قراءة سريعة و لم أحاول التعمق في النظريات و المعادلات الفيزيائية و تجاوزن عت اي شيء مما لم أفهمه .. دفعني لقراءته الفصول فخرجت منه بمعلومات أجدها قيمة و اضافت لي بما اني ما كنت لأعرفها لولا قراءتي الكتاب أوجزها فيما يلي:

1- نيوتن قد وضع نظرية للجاذبية الكونية
كل جسم في الكون ينجذب الى جسم اخر بقوة تزيد شدتها كلما زادت كتلة الاجسام و كلما زادت قربا أحدها من الآخر

2- رأى نيوتن ان حسب قانونة القمر يدور حول الارض لانه اكثر قربا و الارض اكبر حجما
و الاررض و
Miquel Reina
Jan 06, 2016 Miquel Reina rated it it was amazing  ·  review of another edition
This is definitely one of my favorite books of science and my favorite one of Stephen Hawking. I love the way Hawking explains concepts so abstract and difficult to understand as time or black holes. It's a science book for the general public; you don't need to know math or physics to understand the amazing concepts about the Universe he tries to explain us. I totally recommend A Brief History Of Time to everyone, especially the lovers of science.

Spanish version:
Éste es sin duda uno de mis libro
Apr 26, 2014 Nawal rated it it was ok  ·  review of another edition
This is a review of a non-technical reader.

A very readable and entertaining introduction to recent developments in physics and cosmology, Hawking attempts to deal with questions that bothered the cosmic physics community 20 years ago:

Is the universe finite or infinite in extent and content? Is it eternal or does it have a beginning? Was it created? If not, where did it come from? ? What governs the laws and constants of physics? Why is the universe the way it is? etc.

Glossing over the key aspect
Molly Des Jardin
Jul 09, 2008 Molly Des Jardin rated it it was amazing  ·  review of another edition
Shelves: science
It was while reading this that I finally had an "aha" moment about why it is that observation can change what you're trying to observe. I was always kind of skeptical of this, because I was wondering "what is it that our eyes do that could possibly affect things?" Stephen Hawking set me straight: it's the tiny speck of light that you have to shoot at what you're trying to observe that affects it. Light bulb is on!

I have an interest in physics, and I have read quite a few books for the layman abo

البتّه من ویرایش جدیدشو دارم با کلّی ملحقّات و اینا. بهشدّت دوستش داشتم. خیلی قابل فهم بود؛ گرچه آخراش یکم دیریاب میشد. اون فرهنگ واژگان تهشم خیلی کمک کرد. کلاً خیلی بهخوندنش احتیاج داشتم و پاسخ خیلی از پرسشهامو داد.. آقا خسته نباشی! :D
Oct 19, 2009 Annalisa rated it really liked it  ·  review of another edition
Disclaimer: I love math and physics and books that make me feel stupid, as in they are that intelligent. It was interesting learning about the development of science as it refers to the way we think about the universe and how scientific discoveries have been influenced and influence the way people think about God. My favorite section was the discussion of black holes and antimatter.

At times Hawking lost me. He wants to explain theory to the masses, but as he draws near to his own theory, he got
Feb 19, 2015 Amir rated it liked it  ·  review of another edition
Shelves: history
ویرایش 29 بهمن نود و سه
با دیدن فیلم «نظریهی همهچیز» ابهاماتم در مورد نحوهی پدر شدن استیون هاوکینگ برطرف شد. توضیح اینکه بیماری و از کارافتادگیش همهجاش رو از کار ننداخته
یکی از مسایل عمدهی زندگیم حل شد

فکر کنم از نوع طبقهبندی کردن کتاب مشخص باشه که هیچی ازش نفهمیدم. هرچند که اینجور که مشخصه پرفروشترین کتابی هست که کسی چیزی ازش نفهمیده. ولی جدای از اینها برام جای سواله که استیون هاوکینگ چجوری صاحب سه تا بچه هم شده. این خودش بیگ بنگ دوم هست به نظرم
Tariq Alferis
Jan 11, 2014 Tariq Alferis rated it it was amazing  ·  review of another edition

كتب ستيفن هوكنج هذا الكتاب، من اجل الاستهلاك المحلي او لطبقة العامة من الناس فقد ذكر فى كتابه ان أحد اصدقائه قال له :

أن كل معادلة ستكتبها فى كتاب , ستخسر بها نصف قرائك . ولذلك قد حاول الالتزام بعدم التعقيد العلمى , ومحاولة الوصول الى البساطة والعمق .

لايوجد اكبر واعقد من كوننا ..!

يبدآ الكاتب بمجموعة من الاسئلة ، من اين اتينا ،،؟

كيف نشآ الكون ..؟

وهل نحن وحيدون في الكون ..؟

هل توجد مخلوقات غريبة تعيش في عالمنا ..؟

مامستقبل الجنس البشري ..؟

حتي عشرينات القرن الماضي ، كان يعتقد ان الكون ساكن لايتحرك ح
Nandakishore Varma
Dec 21, 2015 Nandakishore Varma rated it really liked it  ·  review of another edition
Shelves: science
Manny says this book is in the "bought but not read" category for most people. Well, I'm proud to say that I bought and read it, that too in nearly one sitting - back in my geeky days, when I used to get a sexual high just from solving a hard maths puzzle.

Unfortunately, I don't remember much of it (time for a re-read!) but I remember taking away the idea that time is a sphere. Being Indian, I loved this - because we are strong champions of cyclical time. Also, if time and space are both curved,
Stephen Hawking's book is easy to read, but harder to comprehend. In every chapter came a point where my brain couldn't hold another permutation of a theory, and as the book progressed, I ended up taking the same approach as I do when reading a Norse saga for the first time. With sagas, I just read, even if my brain doesn't seem to retain all the information about who is related to who and what they named their horse. Inevitably, at the end, I have a reasonable basic grasp of the saga, and then ...more
Jan 09, 2016 Jon rated it really liked it  ·  review of another edition
I would like to say that this was an easy book to read and that I understood all the concepts, but it's been quite a while since I took a physics class and Hawking delves into some of the more exotic aspects of theoretical physics in this book. Take this description of string theory:

"A particle occupies one point of space at each instant of time. Thus it's history can be represented by a line in space-time (the "world-line"). A string, on the other hand, occupies a line in space at each moment o
Feb 11, 2016 Alexxy marked it as to-read  ·  review of another edition
Read until chapter four

I'm going to put this book off for summer. There are so many scientific words and expressions that I need to translate to understand what's going on and I really don't have the time to do so.

In summer though, I'll definitely finish this...
Apr 27, 2014 Charbel rated it really liked it  ·  review of another edition
What is it that breathes fire into the equations and makes a universe for them to describe?

The thing about reading something by Stephen Hawking is that by the time you're finished with the book, you're hooked. Few scientists manage to inspire their passion for their field in their readers as he does, in fact it was thanks to Stephen Hawking that I almost pursued a career in physics (but that's another story).

A Brief History of time is, in a way, the precursor to all Hawking's other books writt
Ivy Deliz
Whoever says this book was an easy read, must really not understand a word they read. The individual words are simple but the concepts described in this book are vey thought-provoking but very complicated. Actually, everything was going pretty well until Chapter 8: The Origin and Fate of the Universe, primarily because we really don't know what the real answer is so there's a lot of speculation and conflicting theories.

One of the crazy things I enjoyed learning is how forces are actually caused
د. حمدان
Oct 30, 2015 د. حمدان rated it really liked it  ·  review of another edition
Shelves: science
تاريخ موجز للزمن – ستيفين هوكينغ

ستيفين هوكينغ.. هو فيزيائي بريطاني من مواليد عام 1941 ويعرف بكونه أذكى رجل على الأرض في زماننا الحاضر.. له أبحاث يشار إليها بالبنان في مجالات الفيزياء النظرية والكونية. يعد كتابه هذا هو أول كتاب له وصدر عام 1988.

إن هذا الكتاب يندرج تحت تصنيف كتب تبسيط العلوم والتي سبق أن كتبت مراجعات عن بعضها كبدايات إسحاق عظيموف وبدايات تايسون.. لكنها تتميز بكونها أكثر تخصصاً وأشد تعقيداً منهما في الأسلوب والموضوعات.

يعالج هوكينغ في هذا الكتاب الكثير من الأسئلة المهمة للبشرية: ما
Larbi Gouzal
قرات يوما في إحدى المجلات (كان مقالا في مجلة زهرة الخليج عن ستيفن هوبكينغ) ان هذا الكتاب هو مقياس للتمييز والتفريق بين المثقف الحقيقي وشبه المثقف او مدعي الثقافة فمن لم يحصل له شرف قراءته فهو مدع ثقافة ليس أكثر (وهي مبالغة مفرطة في الإدعاء تحققت منها بعد قراءته) ، ومنذ ذلك الحين وانا اكن لهذا الكتاب كل الاحترام واترصد الفرصة الملائمة كي اقراه وانهل من فيض علمه، والحمد لله انهيت الآن قراءته ولم يبق غير إبداء الراي؛ الكتاب يتحدث عن وصف الفيزياء للعالم اي للكون من حولنا خلال النسبية العامة لاينشتين ...more
كتاب رائع لمن يرغب باكتساب حصيلة علمية مركزة عن الكون وعلوم الفضاء.. الشرح متسلسل ويحاول المؤلف أن يأتيك بالمعلومة من أساسها وبدايتها وقد بذل جهداً في ذلك كما ورد في المقدمة حيث أنه يوجهه لغير المتخصصين..
ورغم أني استفدت الكثير ورغم أن كل نظرية مستخدمة أو كل مصطلح يورده يقوم بشرحه وحتى بآخر الكتاب تم اضافة قائمة للمصطلحات لكن هناك أيضاً كثير من المواضيع كانت مبهمة بالنسبة لي وحتى بالاستعانة بالرسومات لم أفهمها مثل جزئية مخروط الضوء وسهم الزمان..
طبعاً يرى أن بداية البداية للكون يمكن معرفتها تدريجي
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Stephen William Hawking was born on 8 January 1942 in Oxford, England. His parents' house was in north London, but during the second world war Oxford was considered a safer place to have babies. When he was eight, his family moved to St Albans, a town about 20 miles north of London. At eleven Stephen went to St Albans School, and then on to University College, Oxford, his father's old college. Ste ...more
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“Even if there is only one possible unified theory, it is just a set of rules and equations. What is it that breathes fire into the equations and makes a universe for them to describe? The usual approach of science of constructing a mathematical model cannot answer the questions of why there should be a universe for the model to describe. Why does the universe go to all the bother of existing?” 623 likes
“The universe doesn't allow perfection.” 178 likes
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