Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...
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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 ...
Drinking With Instruments,” musicians played some thorny new music twice: the first sober, the second under the influence.
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