finding a needle in a haystack...

If that sounds like a big task, my suggestion is to start with a magnet!
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Comments (9)

Magnets attract all kinds of junk. Any valuable metal doesn't stick to a magnet.
Needle and a haystack. Ferrous or not.
Was too ... Was Too!!


professor
A jar hold a mixture of iron filings, salt, sawdust & sand.
How do you separate them?

cowboy
Also, since metal is much more dense than hay, one can separate several different ways based on density.
wouldn't have to go far if cs was a haystack laugh laugh plenty of needlers on here wave
"Also, since metal is much more dense than hay, one can separate several different ways based on density."

Throw the haystack into a swimming pool & look for the needle at the bottom of the pool.
Couldn't be simpler smile

cowboy
As long as you're cleaning up the swimming pool. scold laugh
I never found the ones I dropped on my floor so im thinkin the haystack's out.....laugh
Exred I totally agree with you.wave
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chatillion

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created Sep 2019
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