Magnetic Field Paper

Developed back in the 1970s, with ideas that it might become a replacement for paper, this paper makes magnetic fields visible. Any magnet can be used, and the paper will make the magnetic field visible.

It consists of a thin plastic sheet containing tiny cells containing liquid. Each little cell contains colloidal iron. Hold a magnet near, and the iron in each of the cells will align, and form a pattern on the paper.

We also supply a small piece of magnetic plastic which has alternating lines of North and South poles. Move this across the Magnetic Field Paper, and these lines are made visible.

The paper comes in squares of 3 x 3 inches. You can cut the paper with a pair of scissors if you wish.



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  Excellent resource!  I use this in school to demonstrate Lens's law. As a super magnet falls down a conductive, but non magnetic, tube it is slowed by resistive forces. The magnetic field paper on the outside of the tube shows the position of the magnet as it falls surprisingly slowly - the students love it!   M Griffiths