BreathScreen – Design and Evaluation of an Ephemeral UI

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

7 Citations (Scopus)


We present a novel concept, BreathScreen, whereby clouds created by breathing are used as a projection surface for a picoprojector, creating an ephemeral user interface. In cold weather conditions the clouds are created naturally by warm breath condensing, but in other conditions an electric vaporizer may be used. We present an initial evaluation of the concept in a user study (n = 8), utilising a vaporizer-based BreathScreen prototype. The concept was positively received by study participants as a natural, hands-free interface and considered magical and aesthetically beautiful. Additionally, we provide guidance on the quantity of content that may be displayed on a BreathScreen, which is limited both by the length of a human breath and the contrast of the system.
Original languageEnglish
Title of host publicationProceedings of the 2017 CHI Conference on Human Factors in Computing Systems
Editors Gloria Gloria , Susan Fussell
Number of pages6
ISBN (Electronic)978-1-4503-4655-9
Publication statusPublished - May 2017
MoEC publication typeA4 Article in a conference publication
EventACM Conference on Human Factors in Computing Systems - Denver, United States
Duration: 6 May 201711 May 2017


ConferenceACM Conference on Human Factors in Computing Systems
Abbreviated titleCHI '17
CountryUnited States

Field of science

  • Visual arts and design


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