How to Build Simple Magnetic Levitation Device | Magnet Tricks
If you want to build yourself a round magnetic levitator using neodymium magnets for diamagnetic levitation experiments, here are 3 magnets that seem to fit together nicely:
https://bit.ly/s-06-06-n-x01
https://bit.ly/r-15-06-06-n-x02
https://bit.ly/ztn-48-x02
The white spacer comes with the 15mm diameter ring magnet (if you order more than one).
Pyrolytic graphite disk with about 18mm diameter spins quite smoothly on it.
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