Images, Screens & GamesSensor Technology
Why Gloves Don't Work on Phones
Your finger changes an electric field, and so does a sausage
Your phone ignores a gloved finger, however hard it presses, yet obeys the lightest brush of bare skin. What is the glass waiting for?
You'll find out
- What hides under the glass
- Why a sausage works and a pen doesn't
- How a screen pinpoints your fingertip
Why it matters
You tap glass hundreds of times a day. Knowing what it senses explains gloves, raindrops and every phantom tap.
Play this lesson
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