- Make Your Own Buttons with a Gel Touch Screen
Researchers covered a touch screen in gel that can harden into buttons of all shapes and sizes so you can use the display even if you can’t gaze at it.
Touch screens are versatile and easy to use, but the slick surface isn’t great for some tasks—typing more than a quick e-mail, for instance—and becomes pretty useless when your eyes are occupied with other tasks.
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