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[[File:Minecraft with Hololens.png|thumb|Augmented reality with a HoloLens]]

[[File:Minecraft with Hololens.png|thumb|Augmented reality with a HoloLens]]

'''Augmented reality''' is an experience of the real world that has virtual objects or information placed within it. It uses computer graphics to put virtual objects in a real world environment using an AR headset or a smartphone. If using a headset, the headset requires [[PnO tracking]].

'''Augmented reality''' is an experience of the real world that has virtual objects or information placed within it using a head-mounted display, handheld device, or other display device. It uses computer graphics to put virtual objects in a real world environment using an AR headset or a smartphone. If using a headset, the headset requires [[PnO tracking]].

Multi-user augmented reality can be used for communication between people. Multiple people, each with a pair of AR glasses, could all see a 3D model that one person is annotating.

Multi-user augmented reality can be used for communication between people. Multiple people, each with a pair of AR glasses, could all see a 3D model that one person is annotating.