Hands-on: AirBar turns old MacBook Air into a touchscreen laptop Plugging in AirBar to one of MacBook Air's USB ports automatically activates the unit, which fires an infrared light field onto the display. Light sensors embedded in AirBar's body detect objects — fingers, styli, bananas — that break the field, while specialized software plots the position of said objects relative to onscreen graphical assets. The result is a tad more responsive than holographic or competing optics-based input methods. Getting a response from touching MacBook Air's screen is oddly satisfying. Though multitouch gestures like swipes, pinches and multi-finger scrolls are supported by AirBar's PC lineup, those actions were not available in the early Mac software demonstrated today. Those features are earmarked for inclusion in the production model, however. See http://ift.tt/2j6SfGG
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