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Ben Franklin wove colored fibers into paper currency to foil counterfeiters
18 点
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DemiGuru
将近 2 年前
1 comment
EdTechAndrew
将近 2 年前
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Ben Franklin was amazing. In my opinion, he is by far the most interesting Founding Father.<p>230+ years later, have there been any American scientific or political figures as prolific as him? It seems like he impacted so many things.
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