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5G30.35 - Liquid Oxygen and Nitrogen Beads on Magnetic Track

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​5G30.35 - Liquid Oxygen and Nitrogen Beads on Magnetic Track

Title5G30.35 - Liquid Oxygen and Nitrogen Beads on Magnetic Track

​Show how oxygen and nitrogen flow on a magnetic track

Assembly Instructions

Set up the elliptical superconductor track, a bench rod with cross clamp and the copper cone from diamagnetic oxygen so that the cone can be swung over the track. A camera is needed to image the beads moving on the track. Also be sure the nitrogen gloves and paper towels are with the set up.

Setup Time20
Operation Time10
Preview Time15
Operation Instructions

​To view the oxygen fill the cone with liquid nitrogen while it is above the lecture bench. Then swing the cone over the track so the drops fall a little downhill from the middle of a sharp curve on the middle magnet. Beads should drip off the cone and flow down the track.

To view nitrogen, while using the liquid nitrogen gloves, dip a paper towel into a small nitrogen container taking care to only dip the towel, not your fingers. Shake off excess liquid and hold the paper towel above track. Watch as the beads act like the oxygen did and move along the rails of the magnetic track.

Demo on DimeNo
PIRA 200No
Export Instructions (if different)
Category5 Electricity and Magnetism
Subcategory5G - Magnetic Materials
KeywordsEddy Currents, Magents, Track
Construction Information
copper cone with suspension
Elliptical Superconductor Track
liquid nitrogen
bench rod
rod - short
paper towel
camera - b&w