@article{126,
  abstract     = {The Leidenfrost effect occurs when a liquid or stiff sublimable solid near a hot surface creates enough vapor beneath it to lift itself up and float. In contrast, vaporizable soft solids, e.g., hydrogels, have been shown to exhibit persistent bouncing - the elastic Leidenfrost effect. By carefully lowering hydrogel spheres towards a hot surface, we discover that they are also capable of floating. The bounce-to-float transition is controlled by the approach velocity and temperature, analogously to the "dynamic Leidenfrost effect." For the floating regime, we measure power-law scalings for the gap geometry, which we explain with a model that couples the vaporization rate to the spherical shape. Our results reveal that hydrogels are a promising pathway for controlling floating Leidenfrost objects through shape.},
  author       = {Waitukaitis, Scott R and Harth, Kirsten and Van Hecke, Martin},
  journal      = {Physical Review Letters},
  number       = {4},
  publisher    = {American Physical Society},
  title        = {{From bouncing to floating: the Leidenfrost effect with hydrogel spheres}},
  doi          = {10.1103/PhysRevLett.121.048001},
  volume       = {121},
  year         = {2018},
}