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Periodic Table of QR codes | by Periodic Videos
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Periodic Table of QR codes

A QR code linking to our element videos on YouTube.

 

Please print it out as big as possible and stick it up somewhere... for higher-res go to www.flickr.com/photos/periodicvideos/5912075438/sizes/o/i...

 

www.periodicvideos.com/

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Taken on July 7, 2011