Magnetic levitation using graphite: A floating platform that requires no external power

https://www.oist.jp/news-center/news/2024/4/8/innovative-magnetic-levitation-new-material-offers-potential-unlocking-gravity-free-technology

"floating platform within vacuum using graphite,which is highly diamagnetic, and magnets... chemically coating powder of microscopic graphite beads with layer of insulating silica binded using polyethylene glycol, mixing in wax, forms cm-sized thin square plate hovering above magnets arranged in grid... overcomes eddy damping (oscillating system losing energy over time because of external forces) and losses due to kinetic energy of oscillating platform. by transforming graphite into electrical insulator... sensors"