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Archive for ‘December 2009’

Ramanujan's Notebooks: Part 1 2 3 4 5 by Bruce C. Berndt

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Ramanujan's Notebooks: Part 1 2 3 4 5 by Bruce C. Berndt

During the years 1903-1914, Ramanujan worked in almost complete isolation in India. During this time, he recorded most of his mathematical discoveries without proofs in notebooks. Although many of his results were already found in the literature, most were not. Almost a decade after Ramanujan's death in 1920, G.N. Watson and B.M. Wilson began to edit Ramanujan's notebooks, but they never completed the task. A photostat edition, with no editing, was published by the Tata Institute of Fundamental Research in Bombay in 1957. This book is the fourth of five volumes devoted to the editing of Ramanujan's notebooks. Parts I, II, and III, published in 1985, 1989, and 1991, contain accounts of Chapters 1-21 in Ramanujan's second notebook as well as a description of his quarterly reports. This is the first of two volumes devoted to proving the results found in the unorganized portions of the second notebook and in the third notebook. The author also proves those results in the first notebook that are not found in the second or third notebooks. For those results that are known, references in the literature are provided. Otherwise, complete proofs are given. Over 1/2 of the results in the notebooks are new. Many of them are so startling and different that there are no results akin to them in the literature.

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(djvu format. Recomended reader here)



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Bhraman( ভ্রমন ) magazine

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ভ্রমন (Bengali magazine) - November 2009 Issue | 34.8 MB | 84 pages

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Anandomela magazine

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Anandomela magazine
Bengali magazine | 5 december 2009 | 52 pages | 8.2 MB

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Category: anandomela, bengali, blog bengali, download, magazine

Relativity: The Special and the General Theory (Penguin Classics)

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Albert Einstein - Relativity - The Special and General Theory (1916) - Translated by Robert W. Lawson (1920) - Penguin Classics (2006)

This is the introduction to relativity written by Einstein. It is NOT the book which contains the original works, which is a very difficult book (just think that Planck had to ask for several clarifications before he understood Einstein's breakthrough paper). Here the great scientist set to himself the goal of explaining to the educated, but not specialized, man.
Einstein was, of course, very deep. When he talked about any topic in physics, chances are that he went deeper than anyone else who thought about the same theme, for a comparable time span. Now, imagine relativity. When he wrote this book he had thought about this matter for several decades. Nobody reached this depth, then and afterwards. The fruits of his thought, like black-holes, are being proved true now, after so much time!
So, the difference between this book and all other introductory books on relativity is proportional to the difference between Einstein himself and the other authors. You don't have to believe me: just read the excerpts! You'll not remain indifferent to the majesty of his ideas. Put yourself in the right mood: Einstein was a very simple man who was, in writing this book, sincerely interested in explaining his creation to you. Follow his path, read attentively, and, above all, think!
The reward will be great.

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Philosophiae Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy) by Isaac Newton (1687)

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Isaac Newton - The Mathematical Principles of Natural Philosophy (1687) - Translated by Motte (1846)

Dramatic is an unlikely word for a book that devotes half its pages to deconstructions of ellipses, parabolas, and tangents. Yet the cognitive power on display here can trigger chills.

Principia marks the dawn of modern physics, beginning with the familiar three laws of motion ("To every action there is always opposed an equal reaction" is the third). Later Newton explains the eccentric paths of comets, notes the similarity between sound waves and ripples on a pond, and makes his famous case that gravity guides the orbit of the moon as surely as it defines the arc of a tossed pebble. The text is dry but accessible to anyone with a high school education—an opportunity to commune with perhaps the top genius in the history of science.

"You don't have to be a Newton junkie like me to really find it gripping. I mean how amazing is it that this guy was able to figure out that the same force that lets a bird poop on your head governs the motions of planets in the heavens? That is towering genius, no?" —psychiatrist Richard A. Friedman, Cornell University


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Charles Darwin on the origin of species 1859

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Charles Darwin on the origin of species 1859

It's hard to talk about The Origin of Species without making statements that seem overwrought and fulsome. But it's true: this is indeed one of the most important and influential books ever written, and it is one of the very few groundbreaking works of science that is truly readable.

To a certain extent it suffers from the Hamlet problem--it's full of clichés! Or what are now clichés, but which Darwin was the first to pen. Natural selection, variation, the struggle for existence, survival of the fittest: it's all in here.

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The Voyage of the Beagle: Charles Darwin's Journal of Researches 1839

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This richly readable book is the product of Charles Darwin's amazing journey aboard the Beagle where he made observations that led to his revolutionary theory of natural selection.

About the Author
Charles Darwin (1809-82) was an evolutionary scientist, best-known for his controversial and ground-breaking work of non-fiction Origin of Species, and for his theories on the survival of the fittest.


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The strange life of Nikol Tesla

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My Inventions
Nikola Tesla's Autobiography

At the age of 63 Tesla tells the story of his creative life.
First published in 1919 in the Electrical Experimenter magazine

Table of Contents

I. My Early Life
II. My First Efforts At Invention
III. My Later Endeavors
IV. The Discovery of the Tesla Coil and Transformer
V. The Magnifying Transmitter
VI. The Art of Telautomatics

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George Gamow - One Two Three... Infinty

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The book that launched a thousand scientists?

ISBN-10: 0486256642
ISBN-13: 978-0486256641

George Gamow tends to get forgotten these days. He died some time ago, and his books are now over forty years old. Some, like his history of 20th century physics, may seem a bit dated in light of the discoveries since then.

Yet there's still magic in these pages. Gamow was one of the greatest of 20th century physicists, and at the same time, a great teacher whose passion for the sheer fun of math and science was communicated in his books, whether explaining the wonders of infinite series, or how to locate a hidden pirate's treasure chest using imaginary numbers. Unlike a lot of modern poipular science writers, Gamow didn't shy away from showing you the math- but he could explain in a way that even an elementary school child could understand.

A wonderful book for the child or adult who isn't afraid to think.

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Carl Sagan - The Cosmic Connection (1973)

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  • ISBN-10: 0521783038
  • ISBN-13: 978-0521783033
This volume by the late Sagan won the John W. Campbell Memorial Award for best science book upon its initial publication (LJ 1/15/73). Sagan possessed a particular talent for taking something very complicated and explaining it in terms that the average person could easily understand. Humankind has long had a fascination bordering on obsession with the possibility of life beyond the boundaries of ...
More our own planet, and Sagan offers his take on extraterrestrial intelligence as well as life on Earth. This edition has been updated with a portrait of the author by his wife, plus a new introduction and an essay by science writer David Morrison assessing Sagan's theories, many of which have been proven true.

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Steven Weinberg - The First Three Minutes - A Moderm View of the Origin of the Universe (1977)

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ISBN : 0465024378,
ISBN-13: 9780465024377

The classic of contemporary science writing by a Nobel Prize-winning physicist explains what happened when the universe began, and how we know."Science writing at its best."--Martin Gardner, New York Review of Books"Weinberg builds such a convincing case...that one comes away from his book feeling not only that the idea of an original cosmic explosion is not crazy but that any other theory appears scientifically irrational."--Jeremy Bernstein, The New Yorker
"The book is the first I have seen to have put the details, both historical and conceptual, of the origin of the Universe within the grasp of the general reader."--Isaac AsimovA

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James D. Watson - The Double Helix (1968)

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James D. Watson - The Double Helix (1968)

ISBN-13: 9780684852799
ISBN : 0684852799

The classic personal account of one of the great scientific discoveries of the century.By identifying the structure of DNA, the molecule of life, Francis Crick and James Watson revolutionized biochemistry and won themselves a Nobel Prize. At the time, Watson was only twenty-four, a brilliant young zoologist hungry to make his mark. His uncompromisingly honest account of the heady days of their thrilling sprint against other world-class researchers to solve one of science's greatest unsolved mysteries gives a dazzlingly clear picture of a world of brilliant scientists with great gifts, very human ambitions, and bitter rivalries. With humility unspoiled by false modesty, Watson relates his and Crick's desperate efforts to beat Linus Pauling to the Holy Grail of the life sciences, the identification of the basic building block of life. He is impressed by the achievements of the young man he was, but clear-eyed about his limitations. Never has such a brilliant scientist also been so gifted, and so truthful, in capturing in words the flavor of his work.

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  • ►  2010 (2)
    • ►  January (2)
  • ▼  2009 (83)
    • ▼  December (12)
      • Ramanujan's Notebooks: Part 1 2 3 4 5 by Bruce C. ...
      • Bhraman( ভ্রমন ) magazine
      • Anandomela magazine
      • Relativity: The Special and the General Theory (Pe...
      • Philosophiae Naturalis Principia Mathematica (Math...
      • Charles Darwin on the origin of species 1859
      • The Voyage of the Beagle: Charles Darwin's Journal...
      • The strange life of Nikol Tesla
      • George Gamow - One Two Three... Infinty
      • Carl Sagan - The Cosmic Connection (1973)
      • Steven Weinberg - The First Three Minutes - A Mode...
      • James D. Watson - The Double Helix (1968)
    • ►  November (6)
    • ►  October (8)
    • ►  September (29)
    • ►  August (28)

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