EP71 - Perovskite Solar Cells: Printing a Second Chance at Sunlight

Solar panels have quietly become the cheapest way to make electricity in human history, yet for decades they have been stuck converting barely a fifth of the sunlight that touches them, pinned by a sixty-year-old law of physics. Then scientists started printing an exotic crystal right on top of the silicon, and the ceiling shattered. We break down bandgaps, bus fares, and the strange defect-riddled material that breaks the rules precisely because it never learned them.

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