In the 1980s, touchscreen technology primarily used infrared grids or resistive overlays on bulky CRT monitors, exemplified by systems demonstrated on BBC shows like Tomorrow's World. These early, low-resolution interfaces enabled simple single-point selection in niche industrial or kiosk applications but were expensive and physically cumbersome compared to modern capacitive touchscreens. Credit: BBC | History In Pictures

What if your screen could let you feel what you see? Researchers at IIT Madras have created a touchscreen that recreates real textures, from silk to sand. A new era of human machine interaction begins! ☝🏽📲 #OMGIndia #InnovationDay #MakeInIndia | HISTORY