John Wheeler cytaty

John Wheeler Fotografia
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John Wheeler

Data urodzenia: 9. Lipiec 1911
Data zgonu: 13. Kwiecień 2008

Reklama

John Archibald Wheeler – amerykański fizyk.

W latach 1947-1976 profesor Uniwersytetu w Princeton, od 1976 Uniwersytetu w Austin .

Prowadził badania w dziedzinie fizyki atomowej i fizyki jądrowej oraz oddziaływań elektromagnetycznych między cząstkami elementarnymi. Opracował teorię stanu równowagi gwiazd bardzo gęstych. Autor teoretycznych prac z zakresu unifikacji oddziaływań.

Zajmował się teorią czarnych dziur i kolapsu grawitacyjnego. W 1969 roku wprowadził termin czarna dziura.

Wheeler w 1997 r. został uhonorowany Nagrodą Wolfa za wkład w fizykę.

Cytaty John Wheeler

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„We are participators in bringing into being not only the near and here but the far away and long ago. We are in this sense, participators in bringing about something of the universe in the distant past and if we have one explanation for what's happening in the distant past why should we need more?“

— John Archibald Wheeler
[http://www.abc.net.au/radionational/programs/scienceshow/the-anthropic-universe/3302686 "The Anthropic Universe"] (Feb 18, 2006) Australia's Science Show, with Martin Redfern moderating excerpts from several scientists, including Wheeler. [http://mpegmedia.abc.net.au/rn/podcast/2006/02/ssw_20060218_1200.mp3 Audio recording] and transcript available. See also [https://web.archive.org/web/20080616183602/http://www.abc.net.au/rn/science/ss/stories/s1572643.htm same show at WayBack Machine,] Internet archive.org.

„The question is—what is the question?“

— John Archibald Wheeler
Leonard Susskind, The Black Hole War (2008), chapter 13 <!-- CD 5, track 20, 2:10 in the audiobook version -->

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„Of all obstacles to a thoroughly penetrating account of existence, none looms up more dismayingly than “time.” Explain time? Not without explaining existence. Explain existence? Not without explaining time. To uncover the deep and hidden connection between time and existence, to close on itself our quartet of questions, is a task for the future.“

— John Archibald Wheeler
[http://www.weylmann.com/wheeler.shtml "Hermann Weyl and the Unity of Knowledge"], American Scientist (July-August 1986) Vol. 74, pp. 366-375. Reprinted in At Home in the Universe (1993), [http://books.google.com/books?id=w9BXAAAAYAAJ&q=%22hermann+weyl+and+the+unity+of+knowledge%22#search_anchor p. 171.]

„Time is nature's way to keep everything from happening all at once.“

— John Archibald Wheeler
Wheeler quoted this saying in Complexity, Entropy, and the Physics of Information (1990), [http://books.google.com/books?id=mdjsOeTgatsC&lpg=PP1&pg=PA10#v=onepage&q&f=false p. 10], with a footnote attributing it to "graffiti in the men's room of the Pecan Street Cafe, Austin, Texas". Later publications, such as Paul Davies' 1995 book About Time (p. 236), credited Wheeler with variations of this saying, but the quip is actually much older. The earliest known source is Ray Cummings' 1922 science fiction novel [http://www.gutenberg.org/ebooks/21094 The Girl in the Golden Atom,] Ch. V: " 'Time,' he said, 'is what keeps everything from happening at once.' "<!-- according to Science-Fiction: The Early Years by Everett F. Bleiler, [http://books.google.com/books?id=KEZxhkG5eikC&pg=PA171 p. 171], the novel was a composite of two earlier stories published in 1919 and 1920--> It also appears in his 1929 novel [http://books.google.com/books?id=YdZEAAAAYAAJ&q=%22everything+from+happening+at+once%22#search_anchor The Man Who Mastered Time.] The earliest known occurrence other than Cummings is from 1962 in Film Facts: Volume 5, [http://books.google.com/books?id=sr0vAQAAIAAJ&q=%22everything+from+happening+at+once%22 p. 48].

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„... we can afford many mistakes in the search. The main thing is to make as fast as possible.“

— John Archibald Wheeler
As quoted by Charles W. Misner, Kip S. Thorne, and Wojciech H. Zurek. [https://authors.library.caltech.edu/15184/1/Misner2009p1638Phys_Today.pdf "John Wheeler, relativity, and quantum information."] Physics Today 62, no. 4 (April 2009): 40–46 (quote from p. 44)

„Spacetime tells matter how to move; matter tells spacetime how to curve.“

— John Archibald Wheeler
Wheeler's succinct summary of Einstein's theory of general relativity, in Geons, Black Holes, and Quantum Foam (2000), [http://books.google.com/books?id=zGFkK2tTXPsC&lpg=PA1&pg=PA235 p. 235.]

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