Science closing in on cloak of invisibility


	Science closing in on cloak of invisibility

LisbethJ

1-15-2009 7:42 PM

160 views

tags:

invisible, coat, cloak

LisbethJ says:

can you see? what about now? and now?

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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/a4257c22-0636-4362-a950-901c2ae418cd/8E75C63D-6FA0-4B40-9EBB-2D00232A337C/" 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/20090115/ap_on_sc/sci_cloak_of_invisibility" href="http://news.yahoo.com/s/ap/20090115/ap_on_sc/sci_cloak_of_invisibility" 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/20090115/ap_on_sc/sci_cloak_of_invisibility">Science closing in on cloak of invisibility</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/20090115/ap_on_sc/sci_cloak_of_invisibility">Researchers at <SPAN id="lw_1232050930_0" class="yshortcuts">Duke University</SPAN>, who developed a material that can "cloak" an item from detection by microwaves, report that they have expanded the number of wavelengths they can block.</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/20090115/ap_on_sc/sci_cloak_of_invisibility">In 2006 the team reported they had developed so-called metamaterials that could deflect microwaves around a three-dimensional object, essentially making it invisible to the waves.</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/20090115/ap_on_sc/sci_cloak_of_invisibility">The system works like a mirage, where heat causes the bending of <SPAN id="lw_1232050930_1" class="yshortcuts">light rays</SPAN> and cloaks the road ahead behind an image of the sky.</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/20090115/ap_on_sc/sci_cloak_of_invisibility">The researchers report in Thursday's edition of the journal Science that they have developed a series of mathematical commands to guide the development of more types of metamaterials to cloak objects from an increasing range of <SPAN id="lw_1232050930_2" class="yshortcuts">electromagnetic waves</SPAN>.</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/20090115/ap_on_sc/sci_cloak_of_invisibility">The new cloak is made up of more than 10,000 individual pieces of fiberglass </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/20090115/ap_on_sc/sci_cloak_of_invisibility">arranged in parallel rows</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/8E75C63D-6FA0-4B40-9EBB-2D00232A337C/blog/" title="blog or email this clip"><img src="http://content7.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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