Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...
You probably know that simply tossing dead batteries in the trash is no bueno – they release toxic heavy metals as they break ...
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Stretchable battery uses natural acids and gelatin for greener wearables
Researchers with McGill's Trottier Institute for Sustainability in Engineering and Design have developed a stretchable, ...
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