Video Index
Please make sure you play the Video before clicking the links below.
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Ferromagnetism
Showing the strength of the attraction between ferromagnetic materials and magnetic fields using a 15Kg metal bar which is sucked into the magnetic field of a solenoid. Illustrating the concept of ferromagnetic domains using an array of compass needles.
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Ferromagnetic Domains
Hearing the domains in a ferromagnetic material flip by connecting an amplifier to a solenoid wrapped around the ferromagnetic material and then approaching it with a magnet.
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Curie Point for Iron
Showing that an iron washer is no longer attracted to a magnet when heated above the Curie point for iron.
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Liquid Oxygen
Showing that liquid oxygen, although paramagnetic, will be attracted to a strong magnet.