@johl@mastodon.xyz2025-08-31 15:00:03
Red onions make better solar panels 🧅☀️ Scientists in Finland and the Netherlands made a biofilm from onion skins that blocks 99.9% of UV and boosts solar durability. 🌍⚡ #solar #renewables #onions
@johl@mastodon.xyz2025-08-31 15:00:03