Frasi di John Archibald Wheeler

John Archibald Wheeler photo
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John Archibald Wheeler

Data di nascita: 9. Luglio 1911
Data di morte: 13. Aprile 2008

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John Archibald Wheeler è stato un fisico statunitense.

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Frasi John Archibald 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
"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.

„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), 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.' "<!-- according to Science-Fiction: The Early Years by Everett F. Bleiler, p. 171 http://books.google.com/books?id=KEZxhkG5eikC&pg=PA171, the novel was a composite of two earlier stories published in 1919 and 1920--> 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.

Pubblicità

„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), p. 235. http://books.google.com/books?id=zGFkK2tTXPsC&lpg=PA1&pg=PA235

„... 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. "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)

„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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