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Squiz Kids · Today · 5 min

How do touch screens work? - Science Short

How does a piece of glass know where your finger is? Brooklyn, aged 10, from Cammeray has an excellent question: how do touchscreens work? Join Christie as she peels back the layers of this everyday technology, uncovering see-through electrical pathways, glass that gets a 400-degree salt bath, and the surprising role your own body plays in every tap, swipe and zoom. Discover why gloves and water can confuse a touchscreen, and how a cracked screen can sometimes keep working. Got a science question you’d like Christie to investigate? Send it to squizkids@thesquiz.com.au.

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How does a piece of glass know where your finger is? Brooklyn, aged 10, from Cammeray has an excellent question: how do touchscreens work?

Join Christie as she peels back the layers of this everyday technology, uncovering see-through electrical pathways, glass that gets a 400-degree salt bath, and the surprising role your own body plays in every tap, swipe and zoom. Discover why gloves and water can confuse a touchscreen, and how a cracked screen can sometimes keep working.

Got a science question you’d like Christie to investigate? Send it to squizkids@thesquiz.com.au.

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