How Touchscreens Know Where You Tap

Your finger isn't pressing buttons—it's changing electric fields. Discover the invisible grid that detects every touch.

Created by Doodlingo

6 pages

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Last updated Oct 29, 2025. Clone to remix or explore directly from the public view.

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Explore 6 pages of curated content.

Discover why your finger works on touchscreens but your glove doesn't—it's all about electrical conductivity

Learn how invisible electric fields detect your finger's presence without any physical pressure

Uncover the hidden mesh of sensors that pinpoints exactly where you touch with millimeter precision

Understand how modern touchscreens track multiple fingers simultaneously without ghost touches

Explore how material properties enable or block touch detection—and how to work around it

Apply everything you've learned to design custom touch gestures and interfaces for real-world challenges

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