I held an Open day for around 70 invited guests to display my Tesla/high voltage/laser and general physics/science exhibits.
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Open Day 2014
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Tag Archives: liquid nitrogen
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.
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Liquid Nitrogen
Lots of fun to be had with liquid Nitrogen.
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Liquid Oxygen
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.
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Peltier Effect Device
Using liquid nitrogen with a Peltier effect device to generate a massive 45 mW of power with a temperature differential.
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Phosphorescence
Phosphorescence silhouette “photos” can be taken with a camera flash due to persistence of the image.
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