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Investigations on the Theory of the Brownian Movement

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The "Brownian movement" was first described in 1828 by the botanist Robert Brown. While investigating the pollen of several different plants, he observed that pollen dispersed in water in a great number of small particles which he perceived to be in uninterrupted and irregular "swarming" motion. For more than half a century following, a score of scientists studied this motion, common to organic and inorganic particles of microscopic size when suspended in a liquid, to determine the causes and the dynamics of the motion. This volume contains five papers investigating the dynamics of this phenomenon by Albert Einstein. Written between 1905 and 1908, the papers evolve an elementary theory of the Brownian motion, of interest not only to mathematicians but also to chemists and physical chemists. The titles of the papers "Movement of Small Particles Suspended in a Stationary Liquid Demanded by the Molecular-Kinetic Theory of Heat"; "On the Theory of the Brownian Movement"; "A New Determination of Molecular Dimensions"; "Theoretical Observations on the Brownian Motion"; and "Elementary Theory of the Brownian Motion."
The editor, R. Fürth, has provided notes at the end of the book which discuss the history of the investigation of the Brownian movement, provide simple elucidations of the text, and analyze the significance of these papers.

144 pages, Paperback

First published June 1, 1956

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About the author

Albert Einstein

892 books9,652 followers
Special and general theories of relativity of German-born American theoretical physicist Albert Einstein revolutionized modern thought on the nature of space and time and formed a base for the exploitation of atomic energy; he won a Nobel Prize of 1921 for his explanation of the photoelectric effect.

His paper of 1905 formed the basis of electronics. His first paper, also published in 1905, changed the world.
He completed his Philosophiae Doctor at the University of Zurich before 1909.

Einstein, a pacifist during World War I, stayed a firm proponent of social justice and responsibility.

Einstein thought that Newtonion mechanics no longer enough reconciled the laws of classical mechanics with those of the electromagnetic field. This thought led to the development. He recognized, however, that he ably also extended the principle to gravitational fields and with his subsequent theory of gravitation in 1916 published a paper. He continued to deal with problems of statistical mechanics and quantum theory, which led to his explanations of particle theory and the motion of molecules. He also investigated the thermal properties of light, which laid the foundation of the photon.

Best known for his mass–energy equivalence formula E = mc2, dubbed "the world's most famous equation," he received "for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect". The latter was pivotal in establishing quantum theory.

He visited the United States when Adolf Hitler came to power in 1933 and went not back to Germany. On the eve of World War II, he endorsed a letter, alerting Franklin Delano Roosevelt, president, to the potential development of "extremely powerful bombs of a new type" and recommending that the United States begin similar research. This recommendation eventually led to the Manhattan project. Einstein supported defending the Allied forces but largely denounced the idea of using the newly discovered nuclear fission as a weapon. Later, with Bertrand Russell–Einstein manifesto highlighted the danger of nuclear weapons.

After the rise of the Nazi party, Einstein made Princeton his permanent home as a citizen of United States in 1940. He chaired the emergency committee of atomic scientists, which organized to alert the public to the dangers of warfare.

At a symposium, he advised:
"In their struggle for the ethical good, teachers of religion must have the stature to give up the doctrine of a personal God, that is, give up that source of fear and hope which in the past placed such vast power in the hands of priests. In their labors they will have to avail themselves of those forces which are capable of cultivating the Good, the True, and the Beautiful in humanity itself. This is, to be sure a more difficult but an incomparably more worthy task... "

("Science, Philosophy and Religion, A Symposium," published by the Conference on Science, Philosophy and Religion in their Relation to the Democratic Way of Life, Inc., New York, 1941).

In a letter to philosopher Eric Gutkind, dated 3 January 1954, Einstein stated:
"The word god is for me nothing more than the expression and product of human weaknesses, the Bible a collection of honorable, but still primitive legends which are nevertheless pretty childish. No interpretation no matter how subtle can (for me) change this."


(The Guardian, "Childish superstition: Einstein's letter makes view of religion relatively clear," by James Randerson, May 13, 2008)

Great intellectual achievements and originality made the word "Einstein" synonymous with genius.

The institute for advanced study in Princeton, New Jersey, affiliated Einstein until his death in 1955.

More: http://en.wikipedia.org/wiki/Albert_E...

http://www.nobelprize.org/nobe

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Displaying 1 - 3 of 3 reviews
Profile Image for Karl Swartz.
9 reviews5 followers
January 16, 2013
This paper was the second of Einstein's four Annus Mirabilis (Miracle Year) papers. I found it more difficult to read than the other three, though that may be because it's an area of physics with which I have less familiarity.
Profile Image for Richard Marney.
762 reviews47 followers
November 23, 2023
A relatively little known work but an important addition to the literature on Brownian Motion.

To grasp his work, there is no avoiding tackling the mathematics.
Displaying 1 - 3 of 3 reviews

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