Category Archives: Liquid Nitrogen

Superconductors – Meissner effect

Magnetic levitation above superconductors - Meissner effect

Superconductors – Meissner effect

A magnet levitating, “pinned” above a 1 inch disk of Yttrium, Barium and Copper superconductor in a pool of liquid Nitrogen at -196C. This is the “Meissner” effect.
“Continue reading” for further demonstrations. 4 photos and animation plus links…
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Liquid Oxygen

Liquid Oxygen adhering to the top of a magnet due to paramagnetism

I made about 50 ml of liquid oxygen by passing medical grade oxygen through a condenser in a dewar of LN2. The photo shows it adhering to a magnet, due to it’s paramagnetism.
“Continue reading” for more interesting liquid oxygen stuff including paramagnetism.
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