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On the Origin of Species

Ebook Free On the Origin of Species by Charles Darwin

Charles Darwin's On the Origin of Species, published on 24 November 1859, is a work of scientific literature which is considered to be the foundation of evolutionary biology. Its full title was On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life. For the sixth edition of 1872, the short title was changed to The Origin of Species. Darwin's book introduced the scientific theory that populations evolve over the course of generations through a process of natural selection.

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Author Charles Darwin
Format Ebook Free PDF - 752 KB

Relativity - The Special and General Theory

Ebook Free Relativity - The Special and General Theory by Albert Einstein

General relativity or the general theory of relativity is the geometric theory of gravitation published by Albert Einstein in 1916. It is the current description of gravitation in modern physics. General relativity generalises special relativity and Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time, or spacetime. In particular, the curvature of spacetime is directly related to the four-momentum (mass-energy and linear momentum) of whatever matter and radiation are present.

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Author Albert Einstein
Format Ebook Free PDF - 412 KB

The Advance of Science in the Last Half-Century

Ebook Free The Advance of Science in the Last Half-Century by Thomas Henry Huxley

The most obvious and the most distinctive features of the History of Civilisation, during the last fifty years, is the wonderful increase of industrial production by the application of machinery, the improvement of old technical processes and the invention of new ones, accompanied by an even more remarkable development of old and new means of locomotion and intercommunication. By this rapid and vast multiplication of the commodities and conveniences of existence, the general standard of comfort has been raised, the ravages of pestilence and famine have been checked, and the natural obstacles, which time and space offer to mutual intercourse, have been reduced in a manner, and to an extent, unknown to former ages.

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Author Thomas Henry Huxley
Format Ebook Free PDF - 344 KB

The Age of Invention - A Chronicle of Mechanical Conquest

Ebook Free The Age of Invention - A Chronicle of Mechanical Conquest by Holland Thompson

This volume is not intended to be a complete record of inventive genius and mechanical progress in the United States... All this book seeks to do is to outline the personalities of some of the outstanding American inventors and indicate the significance of their achievements. 

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Author Holland Thompson
Format Ebook Free PDF - 428 KB

The Antiquity of Man - The Geological Evidence of the Antiquity of Man

Ebook Free The Antiquity of Man by Charles Lyell

The "Antiquity of Man" was published in 1863, and ran into a third edition in the course of that year. The cause of this is not far to seek. Darwin's "Origin of Species" appeared in 1859, only four years earlier, and rapidly had its effect in drawing attention to the great problem of the origin of living beings. The theories of Darwin and Wallace brought to a head and presented in a concrete shape the somewhat vague speculations as to development and evolution which had long been floating in the minds of naturalists. In the actual working out of Darwin's great theory it is impossible to overestimate the influence of Lyell. This is made abundantly clear in Darwin's letters, and it must never be forgotten that Darwin himself was a geologist. 

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Author Charles Lyell
Format Ebook Free PDF - 756 MB

Archimedes - Men of Science

Ebook Free Archimedes - Men of Science by Thomas Little Heath

History and tradition know Archimedes almost exclusively as the inventor of a number of ingenious mechanical appliances, things which naturally appeal more to the popular imagination than the subtleties of pure mathematics. 

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Author Thomas Little Heath
Format Ebook Free PDF - 360 KB

The Astronomy of the Bible

Ebook Free The Astronomy of the Bible by E. Walter Maunder

Why should an astronomer write a commentary on the Bible? Because commentators as a rule are not astronomers, and therefore either pass over the astronomical allusions of Scripture in silence, or else annotate them in a way which, from a scientific point of view, leaves much to be desired.

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Author E. Walter Maunder
Format Ebook Free PDF - 596 KB

Common Science

Ebook Free Common Science by Carleton Washburne

This is a work of historical interest only and much of the scientific content has been superseded. There are numerous experiments described in this book which are hazardous and should not be attempted. Advice given on handling toxic substances, electrical apparatus etc. should not be followed.

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Author Carleton Washburne
Format Ebook Free PDF - 668 KB

Electricity and Magnetism - Nature's Miracles

Ebook Free Electricity and Magnetism - Nature's Miracles by Elisha Gray

It will be plain to any one on seeing the size of the little book that it cannot be an exhaustive treatise on a subject so large as that of Electricity. This volume, like the others, is intended for popular reading, and technical terms are avoided as far as possible, or when used clearly explained. The subject is treated historically, theoretically, and practically.

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Author Elisha Gray
Format Ebook Free PDF - 472 MB

The Einstein Theory of Relativity

Ebook Free The Einstein Theory of Relativity by H.A. Lorentz

Whether it is true or not that not more than twelve persons in all the world are able to understand Einstein's Theory, it is nevertheless a fact that there is a constant demand for information about this much-debated topic of relativity. The books published on the subject are so technical that only a person trained in pure physics and higher mathematics is able to fully understand them. In order to make a popular explanation of this far-reaching theory available, the present book is published. Professor Lorentz is credited by Einstein with sharing the development of his theory. He is doubtless better able than any other man--except the author himself--to explain this scientific discovery.

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Author H.A. Lorentz
Format Ebook Free PDF - 236 KB

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