Researchers from the University of Turku, in collaboration with Aalto University and Wageningen University, have developed a bio-based UV protection film for solar cells that not only blocks nearly all harmful ultraviolet light but also outperforms commercial plastic films. The key ingredient is a water extract made from red onion skins.
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TropicalDingdong@lemmy.world 2 days ago
and so I covered my panels with onion, which was the style at the time