Besides, from the point of view of engineering, it is easier to recreate in other environments. If your smartphone has such a technology, you can work with your gloves on. More advanced screens though, feature infrared heat sensitive sensors rimming the display. Human flesh can conduct electricity and so can specially designed styluses with conductors in them. There is only one condition in order to get the sensor to work: the user or object must conduct electricity. That is why touch screens are also called sensor screens, because they “sense” the touch. A special detector which is also housed beneath the screen, catches the disturbances and responds to the action: zoom, or swipe, or whatever. When we enter the field with our finger, we disturb it the way a fly disturbs a spider’s web. The touchscreen is literally an electromagnetic field, generated by a metal grid placed beneath the screen. An engineer from the Neonode company stood in for Apple and introduced what they call the AirBar, which will change your MacBook experience forever.
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