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Researchers from the Karlsruhe Institute of Technology (KIT) have produced displays that have been biodegradability certified and checked by independent auditorsThe construction materials are of natural origin or biocompatible and are sealed with gelatin making the display adhesive and flexible so it can be worn directly on the skin. This sort of display is particularly well-suited for short-lifecycle applications in sectors like medical diagnostics. The technology could also be used to monitor food packaging where reuse isn’t permitted.Scientists believe this is the first demonstration of a biodegradable display produced using inkjet printing.https://www.slashgear.com/researchers-create-biodegradable-flexible-displays-for-skin-28657194/
Splitting water molecules into oxygen & hydrogen has long been done by electrolysis. However, industrial electrolyzers are energy-intensive. So, inspired by photosynthesis, researchers have developed specially engineered electrodes that split water molecules when directly under the sun's light. This is a process known as photocatalysis.https://www.sciencedaily.com/releases/2021/01/210121131752.htm
