Chameleon crystals could enable active camouflage (with video)(phys.org)
phys.org
Chameleon crystals could enable active camouflage (with video)
http://phys.org/news/2014-04-chameleon-crystals-enable-camouflage-video.html
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http://phys.org/news/2014-04-chameleon-crystals-enable-camouflage-video.html
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