How Touchscreens Work
Physics Girl
Nov 27, 2025 00:56
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Why can you text with your finger, but not with a q-tip? The physics of smartphones is a complicated and amazing mixture of engineering, physics, electronics and computer science.
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Creator: Dianna Cowern
Research/Writer: Sophia Chen
Editor: Jabril Ashe & Dianna Cowern
Animations: Kyle Norby
Videography: Cathy Cowern
Thanks to Dan Walsh and Marcel Stieber
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