Yiying Lu is no stranger to 2d-code readers with her designer QR Codes and paintings of QR Coded carnivorous plants as headwear. Now she has turned her attention to a poster of the periodic table where each element has it’s own QR Code resolving to the relevant Wikipedia page. As Yiying says, a smart kid with a smart phone and the poster can learn the fundamentals of chemistry. She has made the full size version available under a Creative Commons License for non-commercial use and it can be downloaded from her website here (3.3MB PDF). Click on the image below to zoom in and see the detail.