Magnetic field. Horseshoe magnet with iron filings aligned around it. The magnetic field induces magnetism in each of the filings, which then line up

---

Magnetic field. Horseshoe magnet with iron filings aligned around it. The magnetic field induces magnetism in each of the filings, which then line up in the field. Although the field is actually continuous, interactions between the filings cause them to accumulate in thin arcing lines.

---

Size: 4913px × 3597px
Photo credit: © CORDELIA MOLLOY/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: attracted, attraction, demonstration, experiment, ferromagnetic, field, fields, filing, filings, force, horseshoe, illustration, iron, magnet, magnetic, magnetism, metal, pattern, physical, physics, pole, poles, repelled, repulsion, school, science