How to Escape From a Black Hole


	How to Escape From a Black Hole

spherepet

5-17-2008 10:34 AM

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black hole

2 Comments |

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5-17-2008 10:59 AM

ericskiff

Well I don't know if I completely follow, but very interesting. I made it about 1/10th of the way through "a brief history of time" before I admitted I was mostly just looking at the illustrations.

5-17-2008 11:34 AM

tanyamm

I haven't read the whole thing myself but it is nice to know that if I ever get sucked into a Black Hole I can escape its hold on me. I wish life was that simple.

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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://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/4e04737b-7118-4695-b2e6-625d5c86200d/8C7BE46A-C27E-42B1-A79C-EB44112688CD/" 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.universetoday.com/2008/05/15/how-to-escape-from-a-black-hole/" href="http://www.universetoday.com/2008/05/15/how-to-escape-from-a-black-hole/" style="font-size: 11px;">www.universetoday.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.universetoday.com/2008/05/15/how-to-escape-from-a-black-hole/"><H2><A title="How to Escape From a Black Hole" href="http://www.universetoday.com/2008/05/15/how-to-escape-from-a-black-hole/">How to Escape From a Black Hole</A></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.universetoday.com/2008/05/15/how-to-escape-from-a-black-hole/"><P>Written by <A title="Posts by Nancy Atkinson" href="http://www.universetoday.com/author/nancy/">Nancy Atkinson</A></P></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.universetoday.com/2008/05/15/how-to-escape-from-a-black-hole/"><P><A href="http://www.nasa.gov/images/content/153309main_hidden_blackhole_lg.jpg"><IMG width="250" height="187" class="alignnone size-thumbnail wp-image-14284" title="Black Hole surrounded by dust.  Image credit: ESA / V. Beckmann (NASA-GSFC)" alt="" src="http://www.universetoday.com/wp-content/uploads/2008/05/153309main_hidden_blackhole_lg-250x187.jpg" /></A>
According to Einstein's theory of general relativity, black holes are regions of space where gravity is so strong that not even light can escape.  And in the 1970's physicist Stephen Hawking asserted that any information sucked inside a black hole would be permanently lost.  But now, researchers at Penn State have shown that information can be recovered from black holes.
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A fundamental part of quantum physics is that information cannot be lost, so Hawking's claim has been debated.   His idea was generally accepted by physicists until the late 1990s, when many began to doubt the assertion. Even Hawking himself renounced the idea in 2004. Yet no one, until now, has been able to provide a plausible mechanism for how information might escape from a black hole. A team of physicists led by Abhay Ashtekar, say their findings expand space-time beyond its assumed size, providing room for information to reappear.</P></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/8C7BE46A-C27E-42B1-A79C-EB44112688CD/blog/" title="blog or email this clip"><img src="http://content7.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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