Why Do Some Phones Light Up When You Tap Them?

Imagine your phone is like a sleeping dragon. When you tap it, the dragon wakes up and glows bright, that’s what happens with some phones! They have special sensors that feel your touch and make the screen light up so you can see better in the dark.

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Examples

Your phone wakes up like a dragon when you tap it.
You tap your phone to check the time in the middle of the night.
Your friend taps their phone and it glows, it's like magic!

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Categories: Technology · smartphone· sensor technology· touchscreen· proximity sensor· mobile devices