You can buy cheap solar cells from Radio Shack, but where's the fun in that? This oldie but goodie article from scitoys.com shows you how to make your own solar cells from cheap materials without using any special tools. They might not be quite as efficient as the ready-made units, but the completed product can generate up to 50 microamps in bright sunlight.
Friday, August 8, 2008
Make Your Own Solar Cell
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