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The tree will make a sound, even if nobody heard it, simply because it could have been heard. The answer to this question depends on the definition of sound. We can define sound as our perception of air vibrations. Therefore, sound does not exist if we do not hear it. When a tree falls, the motion disturbs the air and sends off air waves.
Einstein's thought experiment as a 16-year-old student. Einstein's recollections of his youthful musings are widely cited because of the hints they provide of his later great discovery. However, Norton has noted that Einstein's reminiscences were probably colored by a half-century of hindsight.
Albert Einstein (/ ˈ aɪ n s t aɪ n /, EYEN-styne; [4] German: [ˈalbɛʁt ˈʔaɪnʃtaɪn] ⓘ; 14 March 1879 – 18 April 1955) was a German-born theoretical physicist who is widely held as one of the most influential scientists. Best known for developing the theory of relativity, Einstein also made important contributions to quantum mechanics.
Albert Einstein has been the subject of (or inspiration for) many works of popular culture.. Einstein sculpture at Questacon in April 2008 Bust of Einstein, Southwest University A cartoon of Albert Einstein Statue of Einstein at the Griffith Observatory, Los Angeles Adrien Barrère - Professor Einstein, 1930 Albert Einstein - IQ Landia Liberec Einstein wall in Czech Republic Albert Einstein on ...
In 1927, Hans Albert Einstein married Frieda Knecht. [1] They had four children: Bernhard Caesar Einstein (10 July 1930 – 30 September 2008), [15] who was a physicist and engineer. Klaus Martin Einstein (1932–1939), [16] died of diphtheria aged six. [17] David Einstein (October–November 1939), [18] died aged one month.
The puzzle is often called Einstein's Puzzle or Einstein's Riddle because it is said to have been invented by Albert Einstein as a boy; [1] it is also sometimes attributed to Lewis Carroll. [ 2 ] [ 3 ] However, there is no evidence for either person's authorship, and the Life International version of the puzzle mentions brands of cigarettes ...
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The book draws its title from a quote by Einstein that translates to "Subtle is the Lord, but malicious he is not". The quote is inscribed in stone at Princeton University, where Einstein made the statement during a 1921 visit to deliver the lectures that would later be published as The Meaning of Relativity. [10]