With the use of liquid nitrogen, which has a temperature of -196 °,the YBCO compound is cooled to become a superconductor, and a superconductor placed in a magnetic field has amazing behaviors. Ferrofluid alone cannot levitate on a superconductor, but if we cover a magnet it seems to levitate because it completely covers the magnet.
Thanks to supermagnete.com for providing me with these magnets for free. Here the products used in this video.
For the magnetic track i used this cube https://sumag.net/w-10-n-x01
Other levitating magnets
Copper Coated Disc http://sumag.net/s-15-08-k-x01
Ring Magnet http://sumag.net/r-12-05-12-n-x01
If you want to learn more about the physics behind this experiment look for Messnier Effect https://en.wikipedia.org/wiki/Meissner_effect
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Experiment at -196°C, Ferrofluid in Quantum Levitation | Magnetic Games
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