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2018.05.02

Paint job transforms walls into sensors, interactive surfaces

Researchers at Carnegie Mellon University and Disney Research found that they could transform dumb walls into smart walls at relatively low cost -- about $20 per square meter --using simple tools and techniques, such as a paint roller.

These new capabilities might enable users to place or move light switches or other controls anywhere on a wall that's most convenient, or to control videogames by using gestures. By monitoring activity in the room, this system could adjust light levels when a TV is turned on or alert a user in another location when a laundry machine or electric kettle turns off.

versiya.info informs that, "Walls are usually the largest surface area in a room, yet we don't make much use of them other than to separate spaces, and perhaps hold up pictures and shelves," said Chris Harrison, assistant professor in CMU's Human-Computer Interaction Institute (HCII). "As the internet of things and ubiquitous computing become reality, it is tempting to think that walls can become active parts of our living and work environments."

Yang Zhang, a Ph.D. student in the HCII, will present a research paper on this sensing approach, called Wall++, at CHI 2018, the Conference on Human Factors in Computing Systems, April 21-26 in Montreal.

The researchers found that they could use conductive paint to create electrodes across the surface of a wall, enabling it to act both as a touchpad to track users' touch and an electromagnetic sensor to detect and track electrical devices and appliances.

http://science.gov.az/news/open/7886