Laser light creates black holes in the lab


	Laser light creates black holes in the lab

spherepet

2-14-2008 2:43 PM

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tags:

laser, black holes, event horizon, hawking radiation

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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/0943af49-6170-4e50-9a5e-68bdcf9ebd44/CA0F74A6-2E40-4146-8638-AB00316B811F/" 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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118" href="http://www.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118" style="font-size: 11px;">www.alphagalileo.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118"><table background="undefined" bgcolor=""><tr><TD class="hightlightboxpinkOld"><SPAN class="greenprtext"> 
13 February 2008 </SPAN><SPAN class="Bodytext">Laser light creates black holes in the lab </SPAN> 
<SPAN class="redtextpr">under embargo until   
13 Feb 2008  18:00 GMT</SPAN>
			</TD></tr></table></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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118"><DIV>Imagine being able to peek inside a black hole and even perform experiments there. It may not be as far-fetched as it sounds, thanks to a team which claims to have simulated a black hole’s event horizon in the lab. </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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118">This “laser black hole” could allow physicists to examine what happens to light on both sides of a event horizon – “a feat that is utterly impossible in astrophysics”, the authors note in their paper.</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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118">use the artificial event horizon to help test whether anything can escape from a 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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118">hot black holes could radiate particles, dubbed Hawking radiation</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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118"> “radiate” photons if it heats up to about 1000 °C. Ray Rivers at Imperial College London is impressed by the work’s potential to test astrophysical phenomena:</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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118"><DIV>Leonhardt presented the results at the Cosmology Meets Condensed Matter meeting in London last month. </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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118">Author: Zeeya Merali</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.alphagalileo.org/index.cfm?_rss=1&fuseaction=readrelease&releaseid=527118">seeing Hawking radiation for the first time</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/CA0F74A6-2E40-4146-8638-AB00316B811F/blog/" title="blog or email this clip"><img src="http://content9.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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