How to Build a Solar Power Generator Out of Paper: Eco-Friendly Energy Innovation
You know what's surprising? The global paper industry produces over 400 million metric tons annually, yet less than 1% gets used for energy applications. But here's the kicker - researchers at Stanford recently demonstrated paper-based solar cells achieving 5.2% efficiency. That's enough to power small devices, and frankly, it changes everything for DIY enthusiasts.
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