Super-simple interface replaces a touchscreen with PVC and printer toner
Touchscreens are one of the most deceptively simple-looking technologies. A simple tap on a piece of glass can make countless things happen. In reality, touchscreens involve various complex electronics and manufacturing processes. Scientists have created a new touch technology using only PVC, laser printing, and regular printer toner.
Researchers at Shibaura Institute of Technology (SIT) in Japan have developed a touch interface that can be made by printing ordinary toner patterns onto a transparent PVC sheet with a conventional laser printer.
Sliding a finger across the resulting surface generates electrical signals that can reveal movement direction and speed, identify different patterns and letters, and even distinguish between users. The technology could offer a remarkably cheap, customizable alternative to conventional touch controls, especially for wearable electronics and Internet of Things devices.
According to a 2026 study, reported by Ken 5 Media, we swipe and tap our way through 86 miles...
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