A Sonic Black Hole


	A Sonic Black Hole

Fast T friend

6-22-2009 6:26 AM

351 views

tags:

black hole, hawking radiation, physics, sonic

2 Comments |

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6-24-2009 1:22 PM

darkduskx

Chris Cornell would be proud.

Awesome reference, insane coincidence.

7-12-2009 1:18 PM

lollipop10

Yes. Love his voice.
But this isn't the huge underground experiment that got delayed is it? Somewhere over in Europe...Switzerland maybe?

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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/8ff60f92-ee28-49d9-9e7c-8caae3dadc77/69277D9C-5362-4305-A605-4A237856A372/" 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.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole" href="http://www.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole" style="font-size: 11px;">www.popsci.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole">After 30 years of trying, scientists create first-ever acoustic black hole    </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.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/www.popsci.com/img/EA421477-8553-48D0-92D5-E8C9F9A2548D" alt="" /></div></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.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole"><P>Stephen Hawking once theorized that black holes would emit a stream of electromagnetic radiation named, what else, Hawking Radiation. However, in the 35 years since Hawking made his prediction, no one has observed the phenomena. Now, a team of Israeli scientists are working on a way to make their own Hawking Radiation by creating an artificial black hole in their lab. </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.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole"><P>As reported in a <A href="http://arxiv.org/abs/0906.1337">recent paper</A> on the physics website <A href="http://arxiv.org">arxiv.org</A>, the scientists simulated the black hole by sending sonic waves through a form of matter called Bose-Einstein condensate (BEC). BEC is a gas the exists only at the freezing temperatures near absolute zero, and the same equations that explain how sound moves through the condensate also describe how gravity effects light. </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.popsci.com/scitech/article/2009-06/sonic-distruptions-create-artificial-black-hole"><P>And while researchers have yet to observe any Hawking Radiation, they are clearly well on their way. Using sound to create a black hole? Chris Cornell would be proud.</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/69277D9C-5362-4305-A605-4A237856A372/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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