Reality Check

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Reality Check

"Reality leaves a lot to the imagination," John Lennon once said. Not anymore, thanks to virtual reality (VR) and augmented reality's (AR) power to shape the way the world appears. In this month's quiz, you can test how familiar you are with the nuts-and-bolts terms of these technologies that let you travel to the stars without ever leaving the room. By Charles Pappas

Choosing from the list of technologies, guess the blank areas in the text below and then click on them to see if you're right

Avatar	Cave
Field of View	Gaze-Activated Content
Ghost Story	Haptics
Hot Spot	Presence

1. An _____ is a representation of a person within a VR or AR world.

2. _____ is the technology that simulates the sense of touch through a data glove or other similar device.

3. Users can trigger _____ just by focusing on it with their eyes.

4. A _____ is a large-scale virtual environment comprising several walls forming a room-sized cube.

5. Also called the Swayze Effect, _____ refers to when a user is invisible to others in the artificial world and cannot affect the action unfolding in it.

6. Expressed as a range between 0 and 360 degrees, _____ is the total view that users have in a virtual environment.

7. Often depicted as a glowing area, a _____ offers participants additional content or activities in AR and VR experiences.

8. When a person is immersed in a VR or AR world, he or she is said to feel ____, which is the sense that the virtual environment has replaced the real world.