LED quadrotors form 'Star Trek' logo over London

30 micro UAVs flying &#105;&#110; Star Fleet formation &#116;&#097;&#107;&#101; &#116;&#104;&#101; city "Into Darkness" &#116;&#111; mark Earth Hour. <a href="http://news.cnet.com/8301-17938_105-57576030-1/led-quadrotors-form-star-trek-logo-over-london/?part=rss&amp;subj=news&amp;tag=readMore"> </a><img width="1" height="1"

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