Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...
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How to make a simple DIY solar cell at home | Easy science project with household materials
Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to repurpose an aluminum can, a CD, copper wire, toothpaste, lemon juice, and a ...
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