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Scoop.it!
Physicists have worked out how to build invisibility cloaks that hide objects with the flick of a switch... 
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Scoop.it!
From
phys
A team of engineers at Stanford and the University of Pennsylvania has for the first time used 'plasmonic cloaking' to create a device that can see without being seen - an invisible machine that detects light.
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Video abstract for the article 'Experimental demonstration of a broadband array of invisibility cloaks in the visible frequency range ' by V N Smolyaninova, I I Smolyaninov and H K Ermer (V N Smolyaninova et al 2012 New J. Phys. 14 053029). INVISIBILITY CLOAKS: http://www.scoop.it/t/science-news?q=invisibility+cloaks
Scoop.it!
University of Manchester mathematicians have developed the theory for a Harry Potter style 'cloaking' device which could protect buildings from earthquakes.
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