The late Mark Weiser, the former chief scientist at Xerox PARC, once stated, “The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.” Few tech projects summarize that vision of ubiquitous computing better than a new project carried out by researchers from Carnegie Mellon University and Disney Research. Through the use of conductive paint and some low-cost electronics, they have found a way to transform regular, boring internal walls into smart infrastructure able to detect human touch.
“One side of this is input everywhere: walls that are touch sensitive so we can add functionality wherever we want,” Chris Harrison, head of Carnegie Mellon’s Future Interfaces Group (FIG), told Digital Trends. “Want a light switch here? Sure! Play your favorite music playlist if you touch this part of your living room? Sure! Fully customizable, like software, but for the world around you. Second, and I think even more powerful, is giving computers awareness. If you ask your Alexa device or Google Home, ‘let me know when my laundry finishes,’ it will reply that it has no idea what you are talking about. That’s a missed opportunity. These devices could be so much smarter if they knew what was going on around them and inside of buildings in general.”
The Wall++ walls are made smart by using painter’s tape to create a crisscross pattern, which is then covered with two layers of conductive paint to create a diamond-shaped electrode pattern. The tape is subsequently removed and then the electrodes are connected. Finally, the wall is painted with a top coat of standard latex paint to improve its durability, while hiding the electrodes.
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