Upload

Loading...

Ferrofluid - The Magnetic Liquid!

47,153

Loading...

Loading...

Transcript

The interactive transcript could not be loaded.

Loading...

Loading...

Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Apr 22, 2013

Materials scientist and Christmas Lecturer Mark Miodownik demonstrates some of the weird properties of ferrofluid. This liquid is literally 'dripping with magnetism', containing a suspension of ferromagnetic nanoparticles that make the liquid responsive to external magnetic fields, generating unusual patterns, shapes and motion.

Using a strong neodymium magnet and a large steel bolt, Mark demonstrates the strange and beautiful patterns the fluid forms in response to the magnetic field. Ferrofluids do not tend to maintain their behaviour in the absence of an external magnetic field and are therefore known as superparamagnets.

You can also watch liquid oxygen exhibit its paramagnetic behaviour here: http://www.youtube.com/watch?v=rz57PJ...

Don't forget to check out Mark's Friday Evening Discourse on Strange Materials here: http://www.youtube.com/watch?v=GEWFJi...

Mark also gave the 2010 Christmas Lectures which are available to stream in full on the Ri Channel: http://richannel.org/christmas-lectur...

Music: Latché Swing - Menilmontant (http://freemusicarchive.org/music/Lat...)

Watch more science videos on the amazing Ri Channel: http://richannel.org

The Ri is on Twitter: http://twitter.com/ri_science
and Facebook: http://www.facebook.com/royalinstitution
Subscribe for the latest science videos: http://richannel.org/newsletter

Loading...

Advertisement
When autoplay is enabled, a suggested video will automatically play next.

Up Next


to add this to Watch Later

Add to

Loading playlists...