Pioneering Physicist John Wheeler Dies at 96


	Pioneering Physicist John Wheeler Dies at 96

Mohir

4-17-2008 1:35 PM

479 views

tags:

physics, wheeler, quantum

Mohir says:

a real genius,
if i am not mistaken he was Hugh Everett III's professor of physics,
also he is the one the suggested the 'delayed choice' experiment that showed the experimenter can choose, AFTER THE FACT, whether the photon was in both places or just one.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/0ef3e625-5b23-4ff8-b593-8842a4f3f577/051F3CAD-4CF2-4DEA-AF85-D7BEA8A50017/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.sciam.com/article.cfm?id=pioneering-physicist-john-wheeler-dies&sc=rss" href="http://www.sciam.com/article.cfm?id=pioneering-physicist-john-wheeler-dies&sc=rss" style="font-size: 11px;">www.sciam.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=pioneering-physicist-john-wheeler-dies&sc=rss"><H2>Manhattan Project veteran came up with the term "black hole" and co-authored standard text on Einstein's general theory of relativity</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.sciam.com/article.cfm?id=pioneering-physicist-john-wheeler-dies&sc=rss">renowned physicist John Archibald Wheeler died of pneumonia. He was an iconic figure: a veteran of the Manhattan Project, a pioneer of the search for a quantum theory of gravity, and an originator of such evocative terms as "black hole." Most physics students know him as co-author of the standard textbook on Einstein's general theory of relativity—a tome that defies almost every stereotype of a textbook, much as Wheeler's own career defied almost every generalization. He was rigorous yet playful, and he always had a pithy, Zen-like phrase for profound ideas and questions: "it from bit," "mass without mass" and "<A href="http://www.sciam.com/article.cfm?id=100-years-of-quantum-mysteries" linkindex="58">Why the quantum?</A>". An out-of-the-box thinker who wasn't afraid to speculate, he always carefully identified speculation as such. In so doing, he opened up space for his  <A href="http://www.sciam.com/article.cfm?id=the-many-worlds-of-hugh-everett" linkindex="59" set="yes">colleagues to push the boundaries</A>. </blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/051F3CAD-4CF2-4DEA-AF85-D7BEA8A50017/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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