this post was submitted on 27 Oct 2025
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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 16 points 6 days ago

and so I covered my panels with onion, which was the style at the time

[–] scrubbles@poptalk.scrubbles.tech 6 points 6 days ago (2 children)
[–] wolfyvegan@slrpnk.net 1 points 3 days ago

That's what I thought too, but I wasn't sure enough to say so.