AIREAL: interactive tactile experiences in free air

@article{Sodhi2013AIREALIT,
  title={AIREAL: interactive tactile experiences in free air},
  author={Rajinder Sodhi and Ivan Poupyrev and Matthew Glisson and Ali Israr},
  journal={ACM Trans. Graph.},
  year={2013},
  volume={32},
  pages={134:1-134:10}
}
AIREAL is a novel haptic technology that delivers effective and expressive tactile sensations in free air, without requiring the user to wear a physical device. Combined with interactive computers graphics, AIREAL enables users to feel virtual 3D objects, experience free air textures and receive haptic feedback on gestures performed in free space. AIREAL relies on air vortex generation directed by an actuated flexible nozzle to provide effective tactile feedback with a 75 degrees field of view… 

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