It's the world's first solid-state photosynthetic solar panel, and its electronic circuitry is composed primarily of spinach. Yes, the vitamin-rich vegetable may someday power your laptop and MP3 player, an MIT team announced
in September. Proteins sandwiched
between layers of glass and metal use photopigments to absorb light. Excited electrons then pass through organic semiconductors into a silver electrode, inducing an electric current.