Augmented reality is often presented
as a kind of futuristic technology, but a form of it has been around for years.
For example, the heads-up displays in many fighter aircraft as far back as the
1990s would show information about the attitude, direction and speed of the
plane, and only a few years later they could show which objects in the field of
view were targets.
In the past decade, various labs and companies have built
devices that give us augmented reality. In 2009, the MIT Media Lab's Fluid
Interfaces Group presented SixthSense, a device that combined the use of a
camera, small projector, smartphone and mirror. The device hangs from the
user's chest in a lanyard fashion from the neck. Four sensor devices on the
user's fingers can be used to manipulate the images projected by
SixthSense.
Google rolled out Google Glass in 2013, moving augmented reality
to a more wearable interface; in this case, glasses. It displays on the user's
lens screen via a small projector and responds to voice commands, overlaying
images, videos and sounds onto the screen. Google pulled Google Glass at the
end of December 2015.
You can also watch this video to get more information.
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