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Albert Einstein [a] (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who is best known for developing the theory of relativity.Einstein also made important contributions to quantum mechanics.
A hallmark of Albert Einstein's career was his use of visualized thought experiments (German: Gedankenexperiment [1]) as a fundamental tool for understanding physical issues and for elucidating his concepts to others. Einstein's thought experiments took diverse forms. In his youth, he mentally chased beams of light.
Einstein himself considered the introduction of the cosmological constant in his 1917 paper founding cosmology as a "blunder". [3] The theory of general relativity predicted an expanding or contracting universe, but Einstein wanted a static universe which is an unchanging three-dimensional sphere, like the surface of a three-dimensional ball in four dimensions.
The Einsteinhaus on the Kramgasse in Bern, Einstein's residence at the time. Most of the papers were written in his apartment on the first floor above the street level. At the time the papers were written, Einstein did not have easy access to a complete set of scientific reference materials, although he did regularly read and contribute reviews to Annalen der Physik.
Albert Einstein: Philosopher-Scientist, Volume II, pp. 665–688: Paul Arthur Schilpp, editor: Harper and Brothers Publishers, Harper Torchbook edition (New York) History of science and philosophy of physics. [299] Biographical notes and a summary of Einstein's scientific thinking in his later years. Weil *235 1953
It was also claimed that special relativity cannot handle acceleration, which would lead to contradictions in some situations. However, this assessment is not correct, since acceleration actually can be described in the framework of special relativity (see Acceleration (special relativity), Proper reference frame (flat spacetime), Hyperbolic motion, Rindler coordinates, Born coordinates).
Einstein: His Life and Universe is a non-fiction book authored by American historian and journalist Walter Isaacson.The biographical analysis of Albert Einstein's life and legacy was published by Simon & Schuster in 2007, and it has received a generally positive critical reception from multiple fronts, [1] [2] praise appearing from an official Amazon.com review as well as in publications such ...
Before his "miracle year" (1905), when Einstein was a patent clerk in Bern, the group of friends met to debate books in the fields of physics and philosophy. The group's origin lay in Einstein's need to offer private lessons in mathematics and physics in order to make a living (in 1901, before he took up his post at the patent office in Bern).