Scientists closer to developing invisibility cloak

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	Scientists closer to developing invisibility cloak

ekorstanje

8-11-2008 10:09 AM

234 views

tags:

invisibility cloak

ekorstanje says:

This opens up some privacy issues. How would you know if someone from the Gov or Bussiness was not standing next to you inside your own home?

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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/4e775ea8-25a3-48fa-8caa-dc1e7855033d/DB69799D-E5FD-46CB-A045-96EC1415B99C/" 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://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA" href="http://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA" style="font-size: 11px;">news.yahoo.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA"><H1><DIV><A href="http://us.rd.yahoo.com/dailynews/ap/brand/SIG=br2v03;_ylt=ArCGlYCcTEgrtV7Q3mRlu0RK2ocA/*http://www.ap.org"><IMG height="27" alt="AP" hspace="0" src="http://l.yimg.com/us.yimg.com/i/us/nws/p/ap_logo_106.png" width="106" vspace="0" border="0" /></A> </DIV>Scientists closer to developing invisibility cloak </H1></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://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA"><P>WASHINGTON - Scientists say they are a step closer to developing materials that could render people and objects invisible. </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://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA"><P>Researchers have demonstrated for the first time they were able to cloak three-dimensional objects using artificially engineered materials that redirect light around the objects. Previously, they only have been able to cloak very thin two-dimensional objects.</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://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA"><P>People can see objects because they scatter the light that strikes them, reflecting some of it back to the eye. Cloaking uses materials, known as metamaterials, to deflect radar, light or other waves around an object, like water flowing around a smooth rock in a stream.</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://news.yahoo.com/s/ap/20080811/ap_on_sc/sci_invisibility_cloak;_ylt=Ass2lOpK0maC30FLzqyiXwlI2ocA"><P>Metamaterials are mixtures of metal and circuit board materials such as ceramic, Teflon or fiber composite. They are designed to bend visible light in a way that ordinary materials don't. Scientists are trying to use them to bend light around objects so they don't create reflections or shadows.</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/DB69799D-E5FD-46CB-A045-96EC1415B99C/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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