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Easy metal etching using electricity and rust removal
In this video, two simple methods for metal etching using electricity are demonstrated, serving as effective substitutes for ...
Lloyd Alter is Design Editor for Treehugger and teaches Sustainable Design at Ryerson University in Toronto. My 2000 Subaru is full of holes. Like so many other cars in Canada and the northern United ...
If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...
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