Scent is a variation on Feather. (Feather is designed for situations in which one person is travelling while another stays at home.) The traveler transmits a signal through holding the frame. This starts a heating element at the bottom of an aluminum bowl at home, vaporizing essential oil deposited within. The result is that a scent fills the home space.
Source: Strong, R. and Gaver, W. 1996. Feather, Scent & Shaker: Supporting Simple Intimacy in Videos. In Extended Proceedings of the ACM Conference on Computer Supported Cooperative Work (CSCW’96). ACM Press, 29–30.
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