In Barcelona, engineers and tattoo artists are teaming up to develop tattoos with ultra-thin solar cells that can charge small devices like earbuds or fitness trackers. The concept, still in early testing, blends body art with renewable energy innovation.
The tattoos are gaining interest among eco-conscious youth who want to showcase both style and sustainability. While practical use is limited for now, Spanish researchers believe this fusion of art and technology could inspire a global shift toward more functional tattoo designs.
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