This paper presents a series of physical computer interfaces and computational devices that are constructed from electronic fabrics and conducting threads.We introduce two types of textile keyboards, a piecework switch matrix and a capacitive embroidered keypad. We discuss these fabric sensors in a variety of applications.We give examples of computational clothing using this technology. This clothing shows how digital technology can be imbedded into the world around us. We argue that creating computational devices with new and unexpected materials gives designers the creative freedom to radically change the appearance and "feeling" of such devices.
This paper presents ZeroN, a new tangible interface element that can be levitated and moved freely by computer in a three dimensional space. ZeroN serves as a tangible representation of a 3D coordinate of the virtual world through which users can see, feel, and control computation. To accomplish this we developed a magnetic control system that can levitate and actuate a permanent magnet in a predefined 3D volume. This is combined with an optical tracking and display system that projects images on the levitating object. We present applications that explore this new interaction modality. Users are invited to place or move the ZeroN object just as they can place objects on surfaces. For example, users can place the sun above physical objects to cast digital shadows, or place a planet that will start revolving based on simulated physical conditions. We describe the technology, interaction scenarios and challenges, discuss initial observations, and outline future development.
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