# Do the 11 Dimensions in String Theory = Dark Energy?

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#### kyle_baron

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<p>1.&nbsp; Dark Energy is invisible.&nbsp; Extra Dimensions&nbsp;are invisible.</p><p>2.&nbsp; Dark Energy permeates all of space at the same density.&nbsp; Extra Dimensions, probably permeates all space.</p><p>Can all the multi dimensions&nbsp;act like a repulsive energy force in our 4 dimensions, but not be any kind of energy?</p> <div class="Discussion_UserSignature"> <p><font size="4"><strong></strong></font></p> </div>

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#### weeman

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<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>1.&nbsp; Dark Energy is invisible.&nbsp; Extra Dimensions&nbsp;are invisible.2.&nbsp; Dark Energy permeates all of space at the same density.&nbsp; Extra Dimensions, probably permeates all space.Can all the multi dimensions&nbsp;act like a repulsive energy force in our 4 dimensions, but not be any kind of energy? <br />Posted by kyle_baron</DIV></p><p>That's an interesting approach, I'm having a difficult time trying to visualize your statement!</p><p>I&nbsp;may just question one thing if you're correct: if strings make up the entire universe, then why wouldn't dark energy prevail with expansion everywhere in the entire universe? From what we see right now, dark energy only succeeds in areas that are devoid of gravity. Hence the reason why planets, stars, and galaxies are even able to form in the first place! </p> <div class="Discussion_UserSignature"> <p> </p><p><strong><font color="#ff0000">Techies: We do it in the dark. </font></strong></p><p><font color="#0000ff"><strong>"Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.</strong><strong>" -Albert Einstein </strong></font></p> </div>

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#### kyle_baron

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<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>That's an interesting approach, I'm having a difficult time trying to visualize your statement!</DIV></p><p>&nbsp;</p><p>That's because it's very abstract, and way outside the thinking box.&nbsp; <img src="http://sitelife.space.com/ver1.0/content/scripts/tinymce/plugins/emotions/images/smiley-wink.gif" border="0" alt="Wink" title="Wink" /></p><p>&nbsp;</p><p>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>I&nbsp;may just question one thing if you're correct: if strings make up the entire universe, then why wouldn't dark energy prevail with expansion everywhere in the entire universe?</DIV></p><p>&nbsp;</p><p>It doesn't prevail, it only exists at the same density everywhere.</p><p>&nbsp;</p><p>&nbsp;Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>From what we see right now, dark energy only succeeds in areas that are devoid of gravity.</DIV></p><p>&nbsp;</p><p>Yep</p><p>&nbsp;</p><p>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>&nbsp;Hence the reason why planets, stars, and galaxies are even able to form in the first place! <br />Posted by weeman</DIV></p><p>&nbsp;</p><p>Nope.&nbsp; Dark Matter did that.<br /></p> <div class="Discussion_UserSignature"> <p><font size="4"><strong></strong></font></p> </div>

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#### derekmcd

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<p><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>&nbsp;That's because it's very abstract, and way outside the thinking box.&nbsp; &nbsp;&nbsp;It doesn't prevail, it only exists at the same density everywhere.&nbsp;&nbsp;&nbsp;Yep&nbsp;&nbsp;Nope.&nbsp; Dark Matter did that. <br /> Posted by kyle_baron</DIV></p><p>Do a google seach with the parameters "strings extra dimension dark energy".&nbsp; You'll find loads of papers and articles on it.&nbsp; That idea's been around since the term dark energy was muttered.</p><p>Sadly, string theory doesn't have any experimental evidence nor can any of it's predictions be verified... At least not yet.&nbsp;</p><p> Equally sad, dark energy is a complete unknown.&nbsp; The best scientists can say is that "something" is causing the expansion to accelerate.&nbsp; Dark energy is just a label for that "something".&nbsp; </p><p>Trying to marry the two together is nothing short of a monumental task beyond anything I could wrap my brain around.</p><p>Hopefully, the LHC might be able to open up a few avenues to travel down searching for these ideas.&nbsp;</p> <div class="Discussion_UserSignature"> <div> </div><br /><div><span style="color:#0000ff" class="Apple-style-span">"If something's hard to do, then it's not worth doing." - Homer Simpson</span></div> </div>

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#### centsworth_II

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<p><font color="#000080"><BR/>Replying to:<BR/><DIV CLASS='Discussion_PostQuote'>....Sadly, string theory doesn't have any experimental evidence nor can any of it's predictions be verified... At least not yet.&nbsp; Equally sad, dark energy is a complete unknown....&nbsp; Posted by derekmcd</DIV></font></p><p>It looks to me like the only connection between the two is that they are both poorly understood mysteries.&nbsp; Not very good evidence for a real connection.&nbsp; (Especially since at least one of them may not even exist!)&nbsp;</p> <div class="Discussion_UserSignature"> </div>

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