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Dialogo Di Galileo Galilei: Dove Ne I Congressi Di Quattro Giornate Si Discorre Sopra I Due Massimi Sistemi Del Mondo Tolemaico, E Copernicano, Proponendo ... Quanto Per L'altra Parte (Italian Edition)

4.07  ·  Rating details ·  1,069 Ratings  ·  45 Reviews
Published (first published 1632)
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Roy Lotz
I should think that anyone who considered it more reasonable for the whole universe to move in order to let the earth remain fixed would be more irrational than one who should climb to the top of your cupola just to get a view of the city and its environs, and then demand that the whole countryside should revolve around him so that he would not have to take the trouble to turn his head.

It often seems hard to justify reading old works of science. After all, science continually advances; pioneer
Jul 07, 2013 rated it really liked it  ·  review of another edition
Recommends it for: Anyone seriously interested in the history of science
Recommended to Manny by: Bertrand Russell, A.D. White, David Wallace and others
[A pleasant Venetian villa; through the open window, we see tourists photographing each other with their iPads while gondolas traverse a canal in the background. SALVIATI effusively greets his guests, SAGREDO and SIMPLICIO]

SALVIATI: Welcome, dear friends, and many thanks for answering my urgent convocation! It is my earnest wish that we now devote some hours to mutual discussion, as we have so often done before, but this time on a different topic: to wit, that book written by Galileo in 1629, wh
Nov 11, 2015 rated it it was amazing  ·  review of another edition
Shelves: physical
The end of Scholasticism starts with this book. The Aristotelian thought (or as the book usually calls them The Peripatetics) and its appeal to authority and the appearance of the phenomena as truth are overturned. Sometimes what we see (such as the sun rising in the east) is not what is.

I loved the way Galileo uses the Aristotelian logic to poke holes in the Ptolemaic science (particularly, using proof by contradiction). Often in the other books I've read they'll make a statement such that Gal
Mar 18, 2011 rated it it was amazing  ·  review of another edition
Why hadn't I read this book before? Not just one of the greatest texts in the history of science but fabulously written and entertaining as a dialogue. We hear about Galileo in high school, but that isn't like getting it right from the source.
Aug 22, 2012 marked it as to-read  ·  review of another edition
I have read only first ten pages of the book.
Jan 22, 2013 rated it liked it  ·  review of another edition
Two New Sciences is definitely a unique physical treatise in that it is written as a Platonic style dialogue. As the title suggests, the dialogue serves to highlight a shift in thought and the format does prove suitable to allow ideas and opinions to clash freely. Simplicio is the clear-cut Aristotelian of the group. Sagredo and Salviati seem like mouthpieces for conflicting ideas with which Galileo himself had to reckon to arrive at his conclusions which are given in the text written by the "Ac ...more
Mark Woodland
Jul 28, 2011 rated it really liked it  ·  review of another edition
This is still a fascinating read over 400 years later. They don't write them like this anymore; the classic "dialogue" format that one finds in classic writings such as those by Plato was not in general use. However, given the clash between the two dominant models of the order of the universe at the time, it was a perfect choice, and well "argued" on each side. Of course, the Copernican system was proved out, but the process by which it was done is an excellent example of the use of logic, and t ...more
Brian Maicke
May 25, 2009 rated it really liked it  ·  review of another edition
This is a great book to start with for those interested in the scientific classics. Written as a dialogue and in the vernacular rather than Latin, Dialogues is a much more accessible read than the Copernicus text I started with. There is still a bit of geometry that may be off putting to some readers, but even those without a science background should be able to follow the discussion if they have an interest.
Jul 05, 2013 rated it it was amazing  ·  review of another edition
According to Socrates Everybody can grasp philosophical truths if they just use their innate reason , and that is what Galileo " tried " to do with Simplicio , he ( Galileo ) worked exactly like Socrates ( and his mother before him ) as a midwife , and tried to give birth to Simplicio`s reason in time which scriptures was sacred and reason was forbidden .
James Violand
May 20, 2011 rated it it was amazing  ·  review of another edition
Recommends it for: Anyone.
Shelves: own
Believe it or not, I found this to be one of the most interesting books I have ever read. Easily understood, it is a seminal work in the history of science. Excellent.
Andreas Schmidt
Come vincere una guerra che probabilmente è già vinta?
Il testo di Galilei è un capolavoro di sfottimento, al contempo scientifico e paziente. Pur ovvio il fatto che dato il periodo della sua vita, l'informazione scientifica circolava molto lentamente (qui, due minuti dopo l'esperimento scientifico è già su 47 blog), il testo del Galilei rimane una lunga diatriba di confutazione della scienza aristotelica. Il problema di per sé è, che trattavasi di una guerra già vinta, visto che il suo discorso
Myat Thura Aung
Jul 26, 2017 rated it really liked it  ·  review of another edition
Needless to say, this book is of such great importance to the history of science and to the scientific literature.Galileo is smart enough to write it in the form of a dialogue so that the book is a bit entertaining and accessible to a layman person (despite containing a little geometry).The silly arguments of the character Simplicio and the satirical remarks of Sagredo are quite amusing at times.To learn Galileo's arguments alone is worth enough to give it a shot.So I'd recommend this to anyone ...more
Sid Nuncius
Oct 24, 2015 rated it it was amazing  ·  review of another edition
It's not the most alluring of titles, I admit, and even though most people have heard of Galileo and many know enough of his achievements to admire him, I suspect few people would consider reading a book by him. However, I urge you very strongly to buy this book and at least give it a try. It's a wonderful work, full of fascinating and brilliant insights and Stillman Drake's superlative translation makes it extremely readable. It gives a fascinating insight into what Galileo *really* did to anno ...more
Jul 22, 2012 rated it really liked it  ·  review of another edition
Salviati, Sagredo and Simplicio serve as Galileo’s vehicles to discuss the conflict between the Ptolemic/ Aristotelian universe and the Copernican. Separated into discussions over four days, Salviati is Galileo’s proxy as he disassembles Simplicio’s geocentrism to win over the undecided Sagredo.

The first day is a lively debate which sets the stage for the intellectual battle between established “scientific” belief and the persuasiveness of observable and geometric facts. With only polite restra
Oct 06, 2012 rated it really liked it  ·  review of another edition
For genius level of thought and scientific practice, this is obviously five stars. I give it four only because for a modern reader, it does go on a bit. Despite that, it's very readable for a 400 year old book. And the length is interesting because it's caused by the extensive nature of the arguments Galileo had to make to convince people of this crazy proposition that the Earth moves. Though not an idea original to Galileo, even in his time it was not something people believed. Galileo used act ...more
Autumn Meier
Mar 11, 2016 rated it really liked it  ·  review of another edition
Shelves: nonfiction
These sort of books are a bit tricky for me. On one hand, I ask myself how the ancients--or even those in Galilei's time--could believe that the earth was the center of the universe. But that wondering quickly ceases when I realize how little I understand. I mean, when I read Galilei, or Turing, or Einstein, I wonder how on earth I'll contribute anything to the human race when I've spent my life thus far just trying to wrap my head around what we've already learned. And anyways, I'm sure people ...more
May 18, 2013 rated it really liked it  ·  review of another edition
A review of all of the learning of his youth, he writes this as a dialogue between three scientific explorers playing the role of teacher, experimenter, and student. He covers a lot of content in relatively few pages. More than anything else here, we see the process of the curious mind discovering physical truth incrementally through experimentation. Consider the humorous example of he and his friend convincing themselves that light probably is instantaneous as a result of their distant lantern ...more
Hangci Du

在山西科学技术出版社的《科学名著赏析 物理卷》中我明白,这里的“两种信科学”指的是材料力学和动力学。“伽利略是用力的观念研究运动的第一人,是动力学的奠基人”(拉格朗日《分析力学》)。本书写于伽利略去世前,是伽利略一生研究的集大成。体裁是三人四天的对话(与其之前的作品《托勒密哥白尼对话》是相同体裁)。这种体裁的缺点就是不够明朗啊~
Sep 15, 2013 rated it it was amazing  ·  review of another edition
Shelves: classics, science
Galileo is brilliant and surprisingly clear in his exposition of the Copernican system against the Aristotelian/Ptolemaic. The dialogue form suits the discussion well - Salviati makes some impressive deduction, Sagredo exclaims how impressive it is and adds his own thoughts, and Simplicio quotes Aristotle. That's a bit harsh to Simplicio - Galileo goes out of his way to introduce a ton of objections to his/Salviati's theories, which are duly refuted by Salviati. Sagredo also brings a nice practi ...more
Mar 08, 2009 rated it it was amazing  ·  review of another edition
Pisa 15 February 1564 – 8 January 1642 Florence (Arcetri)

Stillman Drake, trans.
Albert Einstein, introduction
Stephen Jay Gould, series ed.

Those that deny the motion of the earth would point out that birds could not keep up with 24 hours of flying so fast, and would look as if they were rapidly being carried westward.
To reiterate, when we travel on horseback, we feel a wind against our face: what a wind we would feel if we were being borne in such rapid course (earth must complete revolution i
Feb 17, 2010 rated it really liked it  ·  review of another edition
Shelves: science-writing
Galileo is a seriously good writer, he's got a great sense of rhythm and the imagery he employs to get his points across about everything from how logic works, to what happens when a canon is fired, are brilliant. The dialogue format also works really well here, its actually really refreshing to see several different voices working through a series of problems instead of just reading one long, bloated tract. Best of all, he attacks intellectual dogmatism head on, and makes the case that when a s ...more
Apr 14, 2013 rated it liked it  ·  review of another edition
Fairly slow going, but it's fascinating to watch an early 17th-century natural philosopher work through an explanation of (what we would now call) gravitation without recourse to calculus or decimal fractions, with no finer measurement of time than the human heartbeat. Galileo's thought experiments work equally well as powerful mental images; his best is the traveler on a boat belowdecks.

In this edition, the note to p. 360 explains an ingenious thumb-operatoed water clock that he devised to meas
Han beng Koe
Feb 19, 2014 rated it it was amazing  ·  review of another edition
A very good book written by the "father of modern physics" which clearly shows how brilliant Galileo not only in his knowledge and importantly how he conveyed his idea to the reader, even Einstein wrote a foreword for this masterpiece by Galileo!

It is not a very heavy material although some thinking is still needed, but all the argument is written beautifully and easy to understand.

I recommend this book to everyone (in fact to every scientist!) who is interested how does the modern science kind
It took me finally sit down and read this book, but I was so happy once I understood the format and the topic of discussion. I learned so much, especially about movements of the sun verified by sun spots and completely different movements of the moon, whose front side is all those on earth can see.

Very interesting process of using a dialogue to voice the opinions of the skeptic as well.

Ron Noteborn
Aug 22, 2016 rated it really liked it  ·  review of another edition
One would expect such an old text to be a bore, but in this modern version it reads really easy and the discussions are fascinating to follow. It gives more of an idea in why the followers of Aristoteles were thinking they were right, but also shows some early science, which isn't always right either, but interesting nonetheless.
Aug 11, 2008 rated it it was amazing  ·  review of another edition
Not only does this work make clear Galileo's incredible mind for science and philosophy, but it's also a riot! Who knew that one of the fathers of modern scientific thought had such a hilarious wit! It's delightfully and clearly written, easy for a layperson to follow and certainly worth anyone's time.
well, i've only read the first couple of days, and am uncertain as to when i'll finish it, but it is an incredible work. just to witness galileo demolish aristotle is such an amazing feat that makes this book a lesson in rhetoric. of course, having read the a' man's physics will help make this book more intelligible.
Jordan Botta
Dec 14, 2009 rated it really liked it  ·  review of another edition
Excellent book for those ignorant to the current galactic model. Somewhat dry, but very educational and influential. I highly recommend it for someone who would like to learn about the progression of universal theories.
Nov 07, 2011 rated it really liked it  ·  review of another edition
You'll laugh out loud at Simplicio's obstinacy. If you think you've got it tough because your friends don't believe in evolution, check out how bad Galileo had it back when 'everyone knew' that the Earth didn't move.
Nov 27, 2011 rated it it was amazing  ·  review of another edition
High recommendation to those that are curious to how science and mostly mechanics and engineering came to be what they are today.

A profound insight in Galileo's thoughts and the general way of thinking of that era, where science was still highly connected with philosophy.
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Galileo Galilei was a Tuscan (Italian) physicist, mathematician, astronomer, and philosopher who played a major role in the Scientific Revolution. His achievements include improvements to the telescope and consequent astronomical observations, and support for Copernicanism. Galileo has been called the "father of modern observational astronomy", the "father of modern physics", the "father of scienc ...more
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“After an injunction had been judicially intimated to me by this Holy Office, to the effect that I must altogether abandon the false opinion that the sun is the center of the world and immovable, and that the earth is not the center of the world, and moves, and that I must not hold, defend, or teach in any way whatsoever, verbally or in writing, the said false doctrine, and after it had been notified to me that the said doctrine was contrary to Holy Scripture — I wrote and printed a book in which I discuss this new doctrine already condemned, and adduce arguments of great cogency in its favor, without presenting any solution of these, and for this reason I have been pronounced by the Holy Office to be vehemently suspected of heresy, that is to say, of having held and believed that the Sun is the center of the world and immovable, and that the earth is not the center and moves:

Therefore, desiring to remove from the minds of your Eminences, and of all faithful Christians, this vehement suspicion, justly conceived against me, with sincere heart and unfeigned faith I abjure, curse, and detest the aforesaid errors and heresies, and generally every other error, heresy, and sect whatsoever contrary to the said Holy Church, and I swear that in the future I will never again say or assert, verbally or in writing, anything that might furnish occasion for a similar suspicion regarding me; but that should I know any heretic, or person suspected of heresy, I will denounce him to this Holy Office, or to the Inquisitor or Ordinary of the place where I may be. Further, I swear and promise to fulfill and observe in their integrity all penances that have been, or that shall be, imposed upon me by this Holy Office. And, in the event of my contravening, any of these my promises and oaths, I submit myself to all the pains and penalties imposed and promulgated in the sacred canons and other constitutions, general and particular, against such delinquents.”
“To our natural and human reason, I say that these terms ‘large,’ ‘small,’ ‘immense,’ ‘minute,’ etc. are not absolute but relative; the same thing in comparison with various others may be called at one time ‘immense’ and at another ‘imperceptible.” 9 likes
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