Levitate

Introduction

The Levitate project is investigating a radical new form of human-computer interface based on levitating objects. We use acoustic levitation to silently position and move small ‘particles’ in mid-air. The following image shows an example of our acoustic levitation: four small objects are being held in place by inaudible sound, from arrays of ultrasound transducers within the device.

Photograph showing a hardware prototype used for acoustic levitation. Four very small objects are being levitated by the device.

My role on the project, with others at University of Glasgow, is to develop new interaction techniques based on levitation. One of the aims of the project is to develop multimodal interactions using sound and haptics, to enhance the experience of interacting with the levitating objects. This is a multidisciplinary project involving experts in acoustics, HCI, and ultrasound haptics.

Engage

News

  • Nov 2017: Demo at ACM ICMI ’17.
  • Oct 2017: Demo at SICSA DemoFest ’17 and ACM ISS ’17.
  • Jun 2017: Demo at Pervasive Displays ’17.
  • May 2017: Project meeting and dinner at CHI ’17 in Denver.
  • Jan 2017: Start of project, kick-off meeting in Glasgow.

Acknowledgements

This research has received funding from the 🇪🇺 European Union’s Horizon 2020 research and innovation programme under grant agreement #737087.

Publications

    Textured Surfaces for Ultrasound Haptic Displays
    E. Freeman, R. Anderson, J. Williamson, G. Wilson, and S. Brewster.
    In Proceedings of 19th ACM International Conference on Multimodal Interaction – ICMI ’17 Demos, to appear. 2017.

     PDF       DOI      [Bibtex]

    @inproceedings{ICMI2017Demo,
        author = {Freeman, Euan and Anderson, Ross and Williamson, Julie and Wilson, Graham and Brewster, Stephen},
        booktitle = {{Proceedings of 19th ACM International Conference on Multimodal Interaction - ICMI '17 Demos}},
        title = {{Textured Surfaces for Ultrasound Haptic Displays}},
        year = {2017},
        publisher = {ACM Press},
        pages = {to appear},
        doi = {10.1145/3136755.3143020},
      url = {},
      pdf = {http://research.euanfreeman.co.uk/papers/ICMI_2017_Demo.pdf},
    }

    Floating Widgets: Interaction with Acoustically-Levitated Widgets
    E. Freeman, R. Anderson, C. Andersson, J. Williamson, and S. Brewster.
    In Proceedings of ACM International Conference on Interactive Surfaces and Spaces – ISS ’17 Demos, to appear. 2017.

     PDF       DOI      [Bibtex]

    @inproceedings{ISS2017Demo,
        author = {Freeman, Euan and Anderson, Ross and Andersson, Carl and Williamson, Julie and Brewster, Stephen},
        booktitle = {{Proceedings of ACM International Conference on Interactive Surfaces and Spaces - ISS '17 Demos}},
        title = {{Floating Widgets: Interaction with Acoustically-Levitated Widgets}},
        year = {2017},
        publisher = {ACM Press},
        pages = {to appear},
        doi = {10.1145/3132272.3132294},
      url = {},
      pdf = {http://research.euanfreeman.co.uk/papers/ISS_2017_Demo.pdf},
    }

    Levitate: Interaction with Floating Particle Displays
    J. R. Williamson, E. Freeman, and S. Brewster.
    In Proceedings of the 6th ACM International Symposium on Pervasive Displays – PerDis ’17 Demos, Article 24. 2017.

     PDF       DOI       Website      [Bibtex]

    @inproceedings{PerDis2017Demo,
        author = {Williamson, Julie R. and Freeman, Euan and Brewster, Stephen},
        booktitle = {{Proceedings of the 6th ACM International Symposium on Pervasive Displays - PerDis '17 Demos}},
        title = {{Levitate: Interaction with Floating Particle Displays}},
        year = {2017},
        publisher = {ACM Press},
        pages = {Article 24},
        doi = {10.1145/3078810.3084347},
      url = {http://dl.acm.org/citation.cfm?id=3084347},
      pdf = {http://research.euanfreeman.co.uk/papers/PerDis_2017.pdf},
    }