News Summary

• Scientists have created a new touch technology using only PVC, laser printing, and regular printer toner.
• 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, we swipe and tap our way through 86 miles (138 km) of digital content every year.