The Bearina is a conceptual open-source, 3D printable IUD that uses a one-cent coin to as the chemical reactant by Open Design advocate Ronen Kadushin..
I’m curious: is there really enough copper in a coin to make this work?
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jjjjasmine reblogged this from shapeways and added:
interesting. dunno if we want gross money up our you know
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paperbits reblogged this from shapeways and added:
there really enough copper in
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