# magnetic field viewing film

> used to show stationary or (less often) slowly changing magnetic fields; it shows their location and direction

**Wikidata**: [Q4274052](https://www.wikidata.org/wiki/Q4274052)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Magnetic_field_viewing_film)  
**Source**: https://4ort.xyz/entity/magnetic-field-viewing-film