Providing electrical power is essential for nearly all interactive technologies, yet it often
remains an afterthought. Some designs handwave power altogether as an “exercise for …

We propose a new technical approach to implement untethered VR haptic devices that
contain no battery, yet can render on-demand haptic feedback. The key is that via our …

We present Z-Ring, a wearable ring that enables gesture input, object detection, user
identification, and interaction with passive user interface (UI) elements using a single …

Automating operations of objects has made life easier and more convenient for billions of
people, especially those with limited motor capabilities. On the other hand, even able …

Smart speakers come with always-on microphones to facilitate voice-based interaction. To
address user privacy concerns, existing devices come with a number of privacy features: eg …

Human-caused climate degradation and the explosion of electronic waste have pushed the
computing community to explore fundamental alternatives to the current battery-powered …

iWood is interactive plywood that can sense vibration based on triboelectric effect. As a
material, iWood survives common woodworking operations, such as sawing, screwing, and …

The sense of touch is fundamental to how we interact with the physical and digital world.
Conventional interactive surfaces and tactile interfaces use electronic sensors embedded …

Tagnoo is a computational plywood augmented with RFID tags, aimed at empowering
woodworkers to effortlessly create room-scale smart environments. Unlike existing solutions …

The proliferation of the Internet of Things is calling for new modalities that enable human
interaction with smart objects. Recent research has explored RFID tags as passive sensors …