Discover how a touchscreen can detect the exact spot where your finger makes contact. Learn how most modern screens use a transparent electrical grid that senses tiny changes in charge when you touch the glass. The device calculates the position of your finger and instantly turns that touch into an action, such as tapping, swiping, or zooming. This video explains the simple technology behind the screens we use every day.
Published on 2026-09-23 by Edification
Categories: Educational Science