These are some pretty epic experimental findings of levitating a viscous liquid inside a vibrating chamber. Air is injected into the chamber and when the chamber is vibrated, the viscous nature of the fluid causes an interplay of forces on the side walls and its internal cohesion to move in unison which can levitate itself while using air as a vibrating cushion. Multiple layers of levitating liquid can be produced which correspond to the vibrating frequency and small toy boats can also be made to float UPSIDE DOWN! This is an amazing and eye opening display of vibration and liquid/air/fluid dynamics!
The corresponding paper is linked below:
https://arxiv.org/ftp/arxiv/papers/2003/2003.04777.pdf
Local PDF download: https://1drv.ms/b/s!As32ynv0LoaIiMI1tSY_j0xTPsIxag?e=0Jcq94
