Ping Frank: a fun paper for you

Hi Frank,
This is a fun read:
Research Brief: ?Fool?s gold? may be valuable aft
er all
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And with one volt too.
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Interesting to see what they make of it.
I recall having fools gold in my rock collection for my Boy Scouts merit badge in rocks and minerals.
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after all
And I could not help but notice that the metal part of the thing was magnetic by itself.
They should try this with a completely non magnetic metal
Be cool if we could eventually replace a lot of rare earths. A lot of pollution in their mining.
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