# PH EM MF DEMO 70013A V0130 3D Magnetic Field Demonstrator Bar Magnet

A striking visualisation showing the 3D nature of the magnetic field lines that surround a cylindrical bar magnet. The 3D Magnetic Field Demonstrator comprises a myriad of compass needles mounted on plastic panels surrounding the central magnet.

- Kind: Short
- Year: 2013
- Runtime: 1 min
- By: UniServeScienceVIDEO
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:PH_EM_MF_DEMO_70013A_V0130_3D_Magnetic_Field_Demonstrator_Bar_Magnet.webm)
- Licence or status: [CC BY 3.0](https://creativecommons.org/licenses/by/3.0) (as the archive states it)
- Credit: UniServeScienceVIDEO
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/commons/70088141?play=1)