How touchscreens work
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Ever wonder how you're able to awaken your phone with a simple swipe? Find out how the electrical impulses in your body interact with those in your smart phone or tablet to make this technology possible.
Why should we not worry about electricity flowing from the mobile devices into our body?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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- Video created by erinbrodwin
- Lesson Plan created by Rose Eveleth
