OT-- Oddball question, very fine magnetic powder in the air.

Lamont Cranston · 2022-11-19T16:17:04+00:00

I thought about mounting a light above my bench. To find the joists, I used some strong magnets to locate the drywall screws. I left the magnets in place while I thought about it. After a week or so, I took the magnets down, I found there was a very fine blackish magnetic material on the magnet. It is very fine and difficult to remove, but I worked at it until it was gone. I repeated the experiment again, a week later I see this magnetic material is on the magnet again. So I looked at the dozen or so magnets stuck to the panels on my bench, they all have the powder, but much less, and they have been stuck on the metallic parts of my bench for years. Where does such a fine ferrous powder come? This is in my home, not an industrial area. Mikek

Nov 19, 2022 Last reply: 3 years ago 25 Replies

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Lamont Cranston 3 years ago

No cereal eaten here. Mikek

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Anthony William Sloman 3 years ago

That's cholesterol

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It isn't magnetic. You may get blood clots in the veins and arteries of dead people. Those tend to look black, but they aren't magnetic either.

It won't. Skybuck is always ignorant and usually wrong - bearing mind that stopped clock is right twice a day.

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