Iron filings
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Iron filings are very small pieces of
bar magnet. The south pole of each particle then attracts the north poles of its neighbors, and this process is repeated over a wide area creates chains of filings parallel to the direction of the magnetic field. Iron Filings are used in many places, including schools where they test the reaction of the filings to magnets. They are also used in some toys, most famously Wooly Willy
, where they serve to mimic hair on a cartoon face.
See also
Wikimedia Commons has media related to Iron filings.
- Coherer (Iron filings tube)
References
- ^ "Safety Data Sheet: Iron Metal Filings, Fine". Fisher Science. Fisher Science. 24 December 2021. Retrieved 14 November 2023.
- ^ Breesem, Khalid Mohammed; Mohammed, Thaer Jasim; Hassen, Douread Raheem; Heil, Suad Mohammed (18 November 2022). "Properties of Concrete Using Waste Iron". materialstoday: PROCEEDINGS. ScienceDirect. Retrieved 14 November 2023.