Discover how to build a simple homopolar motor using everyday household items in this easy-to-follow tutorial. Learn the ...
We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...
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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