John Archibald Wheeler citáty

John Archibald Wheeler byl americký fyzik, který se zabýval teorií relativity a relativistickou astrofyzikou. Wikipedia  

✵ 9. červenec 1911 – 13. duben 2008
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John Archibald Wheeler: 17   citátů 1   lajk

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“The question is—what is the question?”

Leonard Susskind, The Black Hole War (2008), chapter 13

“I had the good fortune of having my first and only heart attack last January … I call it good fortune because it taught me that there's a limited amount of time left and I better concentrate on one thing: How come existence? How come the quantum? Maybe those questions sound too philosophical, but maybe philosophy is too important to be left to the philosophers.”

As quoted by Amanda Gefter (from the symposium in honor of Wheeler's 90th birthday) [Trespassing on Einstein's lawn: a father, a daughter, the meaning of nothing, and the beginning of everything, 2014, https://books.google.com/books?id=NUMkAAAAQBAJ]

“There are many modes of thinking about the world around us and our place in it. I like to consider all the angles from which we might gain perspective on our amazing universe and the nature of existence.”

[John Archibald Wheeler, Kenneth William Ford, Geons, Black Holes, and Quantum Foam: A Life in Physics‎, W. W. Norton & Company, 2000, 0393319911, 153]

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

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

“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?”

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

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

As quoted by Charles W. Misner, Kip S. Thorne, and Wojciech H. Zurek. "John Wheeler, relativity, and quantum information." https://authors.library.caltech.edu/15184/1/Misner2009p1638Phys_Today.pdf Physics Today 62, no. 4 (April 2009): 40–46 (quote from p. 44) [10.1063/1.3120895]

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

Wheeler quoted this saying in Complexity, Entropy, and the Physics of Information (1990), p. 10 http://books.google.com/books?id=mdjsOeTgatsC&lpg=PP1&pg=PA10#v=onepage&q&f=false, 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 The Girl in the Golden Atom, http://www.gutenberg.org/ebooks/21094 Ch. V: " 'Time,' he said, 'is what keeps everything from happening at once.' " It also appears in his 1929 novel The Man Who Mastered Time. http://books.google.com/books?id=YdZEAAAAYAAJ&q=%22everything+from+happening+at+once%22#search_anchor The earliest known occurrence other than Cummings is from 1962 in Film Facts: Volume 5, p. 48 http://books.google.com/books?id=sr0vAQAAIAAJ&q=%22everything+from+happening+at+once%22.
Misattributed

“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.”

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

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