Printed Paper Speakers Created by pmTUC Provide Good Sound Quality

"If you stand below the tree and look up to the shade-giving leaves of the solar tree, you can see that the bottom side of the leaves is printed with advertisements,” explains Hübler and adds with a twinkle in his eye: "That’s even better than in nature.”

Because according to Hübler, the advertising segment is the driving force of the printing industry. "As soon as the customer realises that it is better to not throw advertising that contains a solar cell away, but rather keep it to generate electricity for some time, the printed solar cell will become an unbeatable advertising carrier with a sustainable image,” reports the professor from Chemnitz.