Hi-tech wooden flooring can turn footsteps into electricity

Good News Notes: “Scientists have developed technology that can turn footsteps into electricity. By tapping into an unexpected energy source, wooden flooring, researchers from Switzerland have developed an energy-harvesting device that uses wood with a combination of a silicone coating and embedded nanocrystals to produce enough energy to power LED lightbulbs and small electronics.  …

Engineers Have Developed the World’s First Fully Recyclable Printed Electronics

Good News Notes: “Engineers at Duke University have developed the world’s first fully recyclable printed electronics. By demonstrating a crucial and relatively complex computer component — the transistor — created with three carbon-based inks, the researchers hope to inspire a new generation of recyclable electronics to help fight the growing global epidemic of electronic waste….