Does Time Run Backward in Other Universes?


	Does Time Run Backward in Other Universes?

arifsali

5-21-2008 7:10 PM

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tags:

universe, time

1 Comment |

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5-22-2008 1:51 PM

Mohir

if time runs backwards in another universe, wouldn't if be forward for them?

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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/0c494fad-9de4-4a90-a643-41e3de77da90/14B40287-B0EB-4CD0-91FE-4D8137A64A28/" 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=the-cosmic-origins-of-times-arrow" href="http://www.sciam.com/article.cfm?id=the-cosmic-origins-of-times-arrow" 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=the-cosmic-origins-of-times-arrow"><H2>One of the most basic facts of life is that the future looks different from the past. But on a grand cosmological scale, they may look the same</H2></blockquote><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://content8.clipmarks.com/images/clip-icon.gif" 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://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/" href="http://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/" style="font-size: 11px;">cosmicvariance.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/"><div align="center"><img src="http://content9.clipmarks.com/blog_cache/cosmicvariance.com/img/5E9FF6F9-D95A-412F-AAEC-99F310D0C7CF" alt="ab230924-fa4d-9eac-5e5e8d5152c227b1_1.jpg" /></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://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/">As a teaser, here is a <A href="http://www.sciam.com/article.cfm?id=the-history-of-the-observable-universe">timeline</A> of the history of the universe according to the standard cosmology:</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://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/"><li style="margin-left:16px;padding-left: 0px;">Space is empty, featuring nothing but a tiny amount of vacuum energy and an occasional long-wavelength particle formed via fluctuations of the quantum fields that suffuse space.</LI></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://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/"><li style="margin-left:16px;padding-left: 0px;">High-intensity radiation suddenly sweeps in from across the universe, in a spherical pattern focused on a point in space. When the radiation collects at that point, a “white hole” is formed.</LI></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://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/"><li style="margin-left:16px;padding-left: 0px;">The white hole gradually grows to billions of times the mass of the sun, through accretion of additional radiation of ever decreasing temperature.</LI></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://cosmicvariance.com/2008/05/21/the-arrow-of-time-in-scientific-american/"><li style="margin-left:16px;padding-left: 0px;">Other white holes begin to approach from billions of light-years away. They form a homogeneous distribution, all slowly moving toward one another.</LI></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/14B40287-B0EB-4CD0-91FE-4D8137A64A28/blog/" title="blog or email this clip"><img src="http://content6.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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